{"id":1868,"date":"2022-11-03T07:29:02","date_gmt":"2022-11-03T07:29:02","guid":{"rendered":"https:\/\/theexampillar.com\/ncert\/?p=1868"},"modified":"2022-11-03T07:29:02","modified_gmt":"2022-11-03T07:29:02","slug":"ncert-solutions-class-7-maths-chapter-4-simple-equations-ex-4-1","status":"publish","type":"post","link":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-4-simple-equations-ex-4-1\/","title":{"rendered":"NCERT Solutions Class 7 Maths Chapter 4 Simple Equations Ex 4.1"},"content":{"rendered":"<h2 style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">NCERT Solutions Class 7 Mathematics\u00a0<\/span><br \/>\n<span style=\"color: #000000; font-family: georgia, palatino, serif;\">Chapter &#8211; 4 (Simple Equations)<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">The NCERT Solutions in English Language for Class 7 Mathematics <strong>Chapter &#8211; 4 Simple Equations <\/strong>Exercise 4.1 has been provided here to help the students in solving the questions from this exercise.\u00a0<\/span><\/p>\n<p><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Chapter : 4 Simple Equations<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"color: #0000ff; font-family: georgia, palatino, serif;\"><a style=\"color: #0000ff;\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-4-simple-equations-ex-4-2\" target=\"_blank\" rel=\"noopener\">NCERT Solution Class 7 Maths Exercise &#8211; 4.2<\/a><\/span><\/li>\n<li><span style=\"color: #0000ff; font-family: georgia, palatino, serif;\"><a style=\"color: #0000ff;\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-4-simple-equations-ex-4-3\" target=\"_blank\" rel=\"noopener\">NCERT Solution Class 7 Maths Exercise &#8211; 4.3<\/a><\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-7-maths-chapter-4-simple-equations-ex-4-4\" target=\"_blank\" rel=\"noopener\">NCERT Solution Class 7 Maths Exercise &#8211; 4.4<\/a><\/span><\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">Exercise &#8211; 4.1\u00a0<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>1. Complete the last column of the table.<\/strong><\/span><\/p>\n<div class=\"table-responsive\" style=\"text-align: justify;\">\n<table class=\"table table-bordered\" style=\"width: 80%; height: 315px;\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td style=\"width: 8.78788%; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>S. No.<\/strong><\/span><\/td>\n<td style=\"width: 13.3333%; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Equation<\/strong><\/span><\/td>\n<td style=\"width: 12.8788%; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Value<\/strong><\/span><\/td>\n<td style=\"width: 63.1818%; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Say, whether the equation is satisfied. (Yes\/No)<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 8.78788%; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(i)<\/span><\/td>\n<td style=\"width: 13.3333%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x + 3 = 0<\/span><\/td>\n<td style=\"width: 12.8788%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = 3<\/span><\/td>\n<td style=\"width: 63.1818%; height: 24px;\"><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 8.78788%; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(ii)<\/span><\/td>\n<td style=\"width: 13.3333%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x + 3 = 0<\/span><\/td>\n<td style=\"width: 12.8788%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = 0<\/span><\/td>\n<td style=\"width: 63.1818%; height: 24px;\"><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 8.78788%; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(iii)<\/span><\/td>\n<td style=\"width: 13.3333%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x + 3 = 0<\/span><\/td>\n<td style=\"width: 12.8788%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = -3<\/span><\/td>\n<td style=\"width: 63.1818%; height: 24px;\"><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 8.78788%; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(iv)<\/span><\/td>\n<td style=\"width: 13.3333%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x \u2013 7 = 1<\/span><\/td>\n<td style=\"width: 12.8788%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = 7<\/span><\/td>\n<td style=\"width: 63.1818%; height: 24px;\"><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 8.78788%; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(v)<\/span><\/td>\n<td style=\"width: 13.3333%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x \u2013 7 = 1<\/span><\/td>\n<td style=\"width: 12.8788%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = 8<\/span><\/td>\n<td style=\"width: 63.1818%; height: 24px;\"><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 8.78788%; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(vi)<\/span><\/td>\n<td style=\"width: 13.3333%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">5x = 25<\/span><\/td>\n<td style=\"width: 12.8788%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = 0<\/span><\/td>\n<td style=\"width: 63.1818%; height: 24px;\"><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 8.78788%; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(vii)<\/span><\/td>\n<td style=\"width: 13.3333%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">5x = 25<\/span><\/td>\n<td style=\"width: 12.8788%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = 5<\/span><\/td>\n<td style=\"width: 63.1818%; height: 24px;\"><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 8.78788%; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(viii)<\/span><\/td>\n<td style=\"width: 13.3333%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">5x = 25<\/span><\/td>\n<td style=\"width: 12.8788%; text-align: center; height: 24px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = -5<\/span><\/td>\n<td style=\"width: 63.1818%; height: 24px;\"><\/td>\n<\/tr>\n<tr style=\"height: 33px;\">\n<td style=\"width: 8.78788%; height: 33px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(ix)<\/span><\/td>\n<td style=\"width: 13.3333%; text-align: center; height: 33px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{m}{3}\" alt=\"\\frac{m}{3}\" align=\"absmiddle\" \/> = 2<\/span><\/td>\n<td style=\"width: 12.8788%; text-align: center; height: 33px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">m = \u2013 6<\/span><\/td>\n<td style=\"width: 63.1818%; height: 33px;\"><\/td>\n<\/tr>\n<tr style=\"height: 33px;\">\n<td style=\"width: 8.78788%; height: 33px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(x)<\/span><\/td>\n<td style=\"width: 13.3333%; text-align: center; height: 33px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{m}{3}\" alt=\"\\frac{m}{3}\" align=\"absmiddle\" \/> = 2<\/span><\/td>\n<td style=\"width: 12.8788%; text-align: center; height: 33px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">m = 0<\/span><\/td>\n<td style=\"width: 63.1818%; height: 33px;\"><\/td>\n<\/tr>\n<tr style=\"height: 33px;\">\n<td style=\"width: 8.78788%; height: 33px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(xi)<\/span><\/td>\n<td style=\"width: 13.3333%; text-align: center; height: 33px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{m}{3}\" alt=\"\\frac{m}{3}\" align=\"absmiddle\" \/> = 2<\/span><\/td>\n<td style=\"width: 12.8788%; text-align: center; height: 33px;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">m = 6<\/span><\/td>\n<td style=\"width: 63.1818%; height: 33px;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Solution &#8211;<br \/>\n<\/strong><strong>(i) x + 3 = 0<br \/>\n<\/strong>LHS = x + 3<br \/>\nBy substituting the value of x = 3<br \/>\nLHS = 3 + 3 = 6<br \/>\nBy comparing LHS and RHS<br \/>\n6 \u2260 0<br \/>\nLHS \u2260 RHS<br \/>\n\u2234 No, the equation is not satisfied.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(ii) x + 3 = 0<br \/>\n<\/strong>LHS = x + 3<br \/>\nBy substituting the value of x = 0<br \/>\nLHS = 0 + 3 = 3<br \/>\nBy comparing LHS and RHS<br \/>\n3 \u2260 0<br \/>\nLHS \u2260 RHS<br \/>\n\u2234 No, the equation is not satisfied.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(iii) x + 3 = 0<br \/>\n<\/strong>LHS = x + 3<br \/>\nBy substituting the value of x = \u2013 3<br \/>\nLHS = \u2013 3 + 3 = 0<br \/>\nBy comparing LHS and RHS<br \/>\n0 = 0<br \/>\nLHS = RHS<br \/>\n\u2234 Yes, the equation is satisfied<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(iv) x \u2013 7 = 1<br \/>\n<\/strong>LHS = x \u2013 7<br \/>\nBy substituting the value of x = 7<br \/>\nLHS = 7 \u2013 7 = 0<br \/>\nBy comparing LHS and RHS<br \/>\n0 \u2260 1<br \/>\nLHS \u2260 RHS<br \/>\n\u2234 No, the equation is not satisfied<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(v) x \u2013 7 = 1<br \/>\n<\/strong>LHS = x \u2013 7<br \/>\nBy substituting the value of x = 8<br \/>\nLHS = 8 \u2013 7 = 1<br \/>\nBy comparing LHS and RHS<br \/>\n1 = 1<br \/>\nLHS = RHS<br \/>\n\u2234 Yes, the equation is satisfied.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(vi) 5x = 25<br \/>\n<\/strong>LHS = 5x<br \/>\nBy substituting the value of x = 0<br \/>\nLHS = 5 \u00d7 0 = 0<br \/>\nBy comparing LHS and RHS<br \/>\n0 \u2260 25<br \/>\nLHS \u2260 RHS<br \/>\n\u2234 No, the equation is not satisfied.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(vii) 5x = 25<br \/>\n<\/strong>LHS = 5x<br \/>\nBy substituting the value of x = 5<br \/>\nLHS = 5 \u00d7 5 = 25<br \/>\nBy comparing LHS and RHS<br \/>\n25 = 25 LHS = RHS<br \/>\n\u2234 Yes, the equation is satisfied.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(viii) 5x = 25<br \/>\n<\/strong>LHS = 5x<br \/>\nBy substituting the value of x = -5<br \/>\nLHS = 5 \u00d7 (-5) = \u2013 25<br \/>\nBy comparing LHS and RHS<br \/>\n&#8211; 25 \u2260 25<br \/>\nLHS \u2260 RHS<br \/>\n\u2234 No, the equation is not satisfied.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(ix) <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\mathbf{\\frac{m}{3}}\" alt=\"\\mathbf{\\frac{m}{3}}\" align=\"absmiddle\" \/> = 2<br \/>\n<\/strong>LHS = <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{m}{3}\" alt=\"\\frac{m}{3}\" align=\"absmiddle\" \/><br \/>\nBy substituting the value of m = \u2013 6<br \/>\nLHS = <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{-6}{3}\" alt=\"\\frac{-6}{3}\" align=\"absmiddle\" \/> = \u2013 2<br \/>\nBy comparing LHS and RHS<br \/>\n&#8211; 2 \u2260 2<br \/>\nLHS \u2260 RHS<br \/>\n\u2234 No, the equation is not satisfied.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(x) <strong><img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\mathbf{\\frac{m}{3}}\" alt=\"\\mathbf{\\frac{m}{3}}\" align=\"absmiddle\" \/> = 2<br \/>\n<\/strong>LHS = <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{m}{3}\" alt=\"\\frac{m}{3}\" align=\"absmiddle\" \/><br \/>\nBy substituting the value of m = 0<br \/>\nLHS = 0\/3 = 0<br \/>\nBy comparing LHS and RHS<br \/>\n0 \u2260 2<br \/>\nLHS \u2260 RHS<br \/>\n\u2234 No, the equation is not satisfied.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(xi) <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\mathbf{\\frac{m}{3}}\" alt=\"\\mathbf{\\frac{m}{3}}\" align=\"absmiddle\" \/> = 2<br \/>\n<\/strong>LHS = <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{m}{3}\" alt=\"\\frac{m}{3}\" align=\"absmiddle\" \/><br \/>\nBy substituting the value of m = 6<br \/>\nLHS = <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{6}{3}\" alt=\"\\frac{6}{3}\" align=\"absmiddle\" \/> = 2<br \/>\nBy comparing LHS and RHS<br \/>\n2 = 2<br \/>\nLHS = RHS<br \/>\n\u2234 Yes, the equation is satisfied.<\/span><\/p>\n<div class=\"table-responsive\" style=\"text-align: justify;\">\n<table class=\"table table-bordered\">\n<tbody>\n<tr>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>S. No.<\/strong><\/span><\/td>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Equation<\/strong><\/span><\/td>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Value<\/strong><\/span><\/td>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Say, whether the equation is satisfied. (Yes\/No)<\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(i)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x + 3 = 0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = 3<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">No<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(ii)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x + 3 = 0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = 0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">No<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(iii)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x + 3 = 0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = -3<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">Yes<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(iv)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x \u2013 7 = 1<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = 7<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">No<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(v)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x \u2013 7 = 1<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = 8<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">Yes<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(vi)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">5x = 25<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = 0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">No<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(vii)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">5x = 25<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = 5<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">Yes<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(viii)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">5x = 25<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">x = -5<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">No<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(ix)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{m}{3}\" alt=\"\\frac{m}{3}\" align=\"absmiddle\" \/> = 2<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">m = \u2013 6<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">No<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(x)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{m}{3}\" alt=\"\\frac{m}{3}\" align=\"absmiddle\" \/> = 2<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">m = 0<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">No<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #000000; font-family: georgia, palatino, serif;\">(xi)<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{m}{3}\" alt=\"\\frac{m}{3}\" align=\"absmiddle\" \/> = 2<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">m = 6<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">Yes<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>2. Check whether the value given in the brackets is a solution to the given equation or not:<br \/>\n<\/strong><strong>(a) n + 5 = 19 (n = 1)<br \/>\n(b)\u00a07n + 5 = 19 (n = \u2013 2)<br \/>\n(c)\u00a07n + 5 = 19 (n = 2)<br \/>\n(d)\u00a04p \u2013 3 = 13 (p = 1)<br \/>\n(e)\u00a04p \u2013 3 = 13 (p = \u2013 4)<br \/>\n(f)\u00a04p \u2013 3 = 13 (p = 0)<br \/>\n<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Solution &#8211;<br \/>\n<\/strong><strong>(a) n + 5 = 19 (n = 1)<\/strong><br \/>\nLHS = n + 5<br \/>\nBy substituting the value of n = 1<br \/>\nLHS = n + 5<br \/>\n= 1 + 5<br \/>\n= 6<br \/>\nBy comparing LHS and RHS<br \/>\n6 \u2260 19<br \/>\nLHS \u2260 RHS<br \/>\nHence, the value of n = 1 is not a solution to the given equation n + 5 = 19.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(b) 7n + 5 = 19 (n = \u2013 2)<br \/>\n<\/strong>LHS = 7n + 5<br \/>\nBy substituting the value of n = -2<br \/>\nLHS = 7n + 5<br \/>\n= (7 \u00d7 (-2)) + 5<br \/>\n= \u2013 14 + 5<br \/>\n= \u2013 9<br \/>\nBy comparing LHS and RHS<br \/>\n&#8211; 9 \u2260 19<br \/>\nLHS \u2260 RHS<br \/>\nHence, the value of n = -2 is not a solution to the given equation 7n + 5 = 19.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(c) 7n + 5 = 19 (n = 2)<br \/>\n<\/strong>LHS = 7n + 5<br \/>\nBy substituting the value of n = 2<br \/>\nLHS = 7n + 5<br \/>\n= (7 \u00d7 (2)) + 5<br \/>\n= 14 + 5<br \/>\n= 19<br \/>\nBy comparing LHS and RHS<br \/>\n19 = 19<br \/>\nLHS = RHS<br \/>\nHence, the value of n = 2 is a solution to the given equation 7n + 5 = 19.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(d) 4p \u2013 3 = 13 (p = 1)<br \/>\n<\/strong>LHS = 4p \u2013 3<br \/>\nBy substituting the value of p = 1<br \/>\nLHS = 4p \u2013 3<br \/>\n= (4 \u00d7 1) \u2013 3<br \/>\n= 4 \u2013 3<br \/>\n= 1<br \/>\nBy comparing LHS and RHS<br \/>\n1 \u2260 13<br \/>\nLHS \u2260 RHS<br \/>\nHence, the value of p = 1 is not a solution to the given equation 4p \u2013 3 = 13.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(e) 4p \u2013 3 = 13 (p = \u2013 4)<br \/>\n<\/strong>LHS = 4p \u2013 3<br \/>\nBy substituting the value of p = \u2013 4<br \/>\nLHS = 4p \u2013 3<br \/>\n= (4 \u00d7 (-4)) \u2013 3<br \/>\n= -16 \u2013 3<br \/>\n= -19<br \/>\nBy comparing LHS and RHS<br \/>\n&#8211; 19 \u2260 13<br \/>\nLHS \u2260 RHS<br \/>\nHence, the value of p = -4 is not a solution to the given equation 4p \u2013 3 = 13.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(f) 4p \u2013 3 = 13 (p = 0)<br \/>\n<\/strong>LHS = 4p \u2013 3<br \/>\nBy substituting the value of p = 0<br \/>\nLHS = 4p \u2013 3<br \/>\n= (4 \u00d7 0) \u2013 3<br \/>\n= 0 \u2013 3<br \/>\n= -3<br \/>\nBy comparing LHS and RHS<br \/>\n\u2013 3 \u2260 13<br \/>\nLHS \u2260 RHS<br \/>\nHence, the value of p = 0 is not a solution to the given equation 4p \u2013 3 = 13.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>3. Solve the following equations by trial and error method:<br \/>\n<\/strong><strong>(i) 5p + 2 = 17<br \/>\n(ii) 3m \u2013 14 = 4\u00a0<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Solution &#8211;<br \/>\n(i) 5p + 2 = 17<br \/>\n<\/strong>LHS = 5p + 2<br \/>\nBy substituting the value of p = 0<br \/>\nLHS = 5p + 2<br \/>\n= (5 \u00d7 0) + 2<br \/>\n= 0 + 2<br \/>\n= 2<br \/>\nBy comparing LHS and RHS<br \/>\n2 \u2260 17<br \/>\nLHS \u2260 RHS<br \/>\nHence, the value of p = 0 is not a solution to the given equation.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Let, p = 1<br \/>\n<\/strong>LHS = 5p + 2<br \/>\n= (5 \u00d7 1) + 2<br \/>\n= 5 + 2<br \/>\n= 7<br \/>\nBy comparing LHS and RHS<br \/>\n7 \u2260 17<br \/>\nLHS \u2260 RHS<br \/>\nHence, the value of p = 1 is not a solution to the given equation.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Let, p = 2<br \/>\n<\/strong>LHS = 5p + 2<br \/>\n= (5 \u00d7 2) + 2<br \/>\n= 10 + 2<br \/>\n= 12<br \/>\nBy comparing LHS and RHS<br \/>\n12 \u2260 17<br \/>\nLHS \u2260 RHS<br \/>\nHence, the value of p = 2 is not a solution to the given equation.<br \/>\n<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Let, p = 3<br \/>\n<\/strong>LHS = 5p + 2<br \/>\n= (5 \u00d7 3) + 2<br \/>\n= 15 + 2<br \/>\n= 17<br \/>\nBy comparing LHS and RHS<br \/>\n17 = 17<br \/>\nLHS = RHS<br \/>\nHence, the value of p = 3 is a solution to the given equation.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(ii) 3m \u2013 14 = 4<br \/>\n<\/strong>LHS = 3m \u2013 14<br \/>\nBy substituting the value of m = 3<br \/>\nLHS = 3m \u2013 14<br \/>\n= (3 \u00d7 3) \u2013 14<br \/>\n= 9 \u2013 14<br \/>\n= \u2013 5<br \/>\nBy comparing LHS and RHS<br \/>\n-5 \u2260 4<br \/>\nLHS \u2260 RHS<br \/>\nHence, the value of m = 3 is not a solution to the given equation.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Let, m = 4<br \/>\n<\/strong>LHS = 3m \u2013 14<br \/>\n= (3 \u00d7 4) \u2013 14<br \/>\n= 12 \u2013 14<br \/>\n= \u2013 2<br \/>\nBy comparing LHS and RHS<br \/>\n&#8211; 2 \u2260 4<br \/>\nLHS \u2260 RHS<br \/>\nHence, the value of m = 4 is not a solution to the given equation.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Let, m = 5<br \/>\n<\/strong>LHS = 3m \u2013 14<br \/>\n= (3 \u00d7 5) \u2013 14<br \/>\n= 15 \u2013 14<br \/>\n= 1<br \/>\nBy comparing LHS and RHS<br \/>\n1 \u2260 4<br \/>\nLHS \u2260 RHS<br \/>\nHence, the value of m = 5 is not a solution to the given equation.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Let, m = 6<br \/>\n<\/strong>LHS = 3m \u2013 14<br \/>\n= (3 \u00d7 6) \u2013 14<br \/>\n= 18 \u2013 14<br \/>\n= 4<br \/>\nBy comparing LHS and RHS<br \/>\n4 = 4<br \/>\nLHS = RHS<br \/>\nHence, the value of m = 6 is a solution to the given equation.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>4. Write equations for the following statements:<br \/>\n<\/strong><strong>(i) The sum of numbers x and 4 is 9.<br \/>\n(ii) 2 subtracted from y is 8.<br \/>\n(iii) Ten times a is 70.<br \/>\n(iv) The number b divided by 5 gives 6.<br \/>\n(v) Three-fourth of t is 15.<br \/>\n(vi) Seven times m plus 7 gets you 77.<br \/>\n(vii) One-fourth of a number x minus 4 gives 4.<br \/>\n(viii) If you take away 6 from 6 times y, you get 60.<br \/>\n(ix) If you add 3 to one-third of z, you get 30.<br \/>\n<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Solution &#8211;\u00a0<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(i) The sum of numbers x and 4 is 9.<\/strong><br \/>\nThe above statement can be written in the equation form as,<br \/>\n\u21d2 x + 4 = 9<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(ii) 2 subtracted from y is 8.<br \/>\n<\/strong>The above statement can be written in the equation form as,<br \/>\n\u21d2 y \u2013 2 = 8<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(iii) Ten times a is 70.<br \/>\n<\/strong>The above statement can be written in the equation form as,<br \/>\n\u21d2 10a = 70<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(iv) The number b divided by 5 gives 6.<br \/>\n<\/strong>The above statement can be written in the equation form as,<br \/>\n\u21d2 <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{b}{5}\" alt=\"\\frac{b}{5}\" align=\"absmiddle\" \/> = 6<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(v) Three-fourth of t is 15.<br \/>\n<\/strong>The above statement can be written in the equation form as,<br \/>\n\u21d2 <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{3}{4}\\times&amp;space;t\" alt=\"\\frac{3}{4}\\times t\" align=\"absmiddle\" \/> = 15<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(vi) Seven times m plus 7 gets you 77.<br \/>\n<\/strong>The above statement can be written in the equation form as,<br \/>\nSeven times m is 7m<br \/>\n\u21d2 7m + 7 = 77<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(vii) One-fourth of a number x minus 4 gives 4.<br \/>\n<\/strong>The above statement can be written in the equation form as,<br \/>\nOne-fourth of a number x is <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{x}{4}\" alt=\"\\frac{x}{4}\" align=\"absmiddle\" \/><br \/>\n\u21d2 <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{x}{4}\" alt=\"\\frac{x}{4}\" align=\"absmiddle\" \/> \u2013 4 = 4<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(viii) If you take away 6 from 6 times y, you get 60.<br \/>\n<\/strong>The above statement can be written in the equation form as,<br \/>\n6 times of y is 6y<br \/>\n\u21d2 6y \u2013 6 = 60<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(ix) If you add 3 to one-third of z, you get 30.<br \/>\n<\/strong>The above statement can be written in the equation form as,<br \/>\nOne-third of z is <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{z}{3}\" alt=\"\\frac{z}{3}\" align=\"absmiddle\" \/><br \/>\n\u21d2 3 + <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{z}{3}\" alt=\"\\frac{z}{3}\" align=\"absmiddle\" \/> = 30<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>5. Write the following equations in statement forms:<br \/>\n<\/strong><strong>(i) p + 4 = 15<br \/>\n(ii) m \u2013 7 = 3<br \/>\n(iii) 2m = 7<br \/>\n(iv) <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\mathbf{\\frac{m}{5}}\" alt=\"\\mathbf{\\frac{m}{5}}\" align=\"absmiddle\" \/>\u00a0= 3<br \/>\n(v) <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\mathbf{\\frac{3m}{5}}\" alt=\"\\mathbf{\\frac{3m}{5}}\" align=\"absmiddle\" \/> = 6<br \/>\n(vi) 3p + 4 = 25<br \/>\n(vi) 3p + 4 = 25<br \/>\n(viii) <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\mathbf{\\frac{p}{2}}\" alt=\"\\mathbf{\\frac{p}{2}}\" align=\"absmiddle\" \/>\u00a0+ 2 = 8<br \/>\n<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Solution &#8211;<br \/>\n<\/strong><strong>(i) p + 4 = 15<\/strong><br \/>\nThe sum of numbers p and 4 is 15.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(ii) m \u2013 7 = 3<br \/>\n<\/strong>7 subtracted from m is 3.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(iii) 2m = 7<br \/>\n<\/strong>Twice of number m is 7.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(iv) m\/5 = 3<br \/>\n<\/strong>The number m divided by 5 gives 3.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(v) <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\mathbf{\\frac{3m}{5}}\" alt=\"\\mathbf{\\frac{3m}{5}}\" align=\"absmiddle\" \/> = 6<br \/>\n<\/strong>Three-fifth of m is 6.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(vi) 3p + 4 = 25<br \/>\n<\/strong>Three times p plus 4 gives you 25.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(vii) 4p \u2013 2 = 18<br \/>\n<\/strong>Four times p minus 2 gives you 18.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(viii) <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\mathbf{\\frac{p}{2}}\" alt=\"\\mathbf{\\frac{p}{2}}\" align=\"absmiddle\" \/>\u00a0+ 2 = 8<br \/>\n<\/strong>If you add half of a number p to 2, you get 8.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>6. Set up an equation in the following cases:<br \/>\n<\/strong><strong>(i) Irfan says that he has 7 marbles more than five times the marbles Parmit has. Irfan has 37 marbles. (Take m to be the number of Parmit\u2019s marbles.)<br \/>\n(ii) Laxmi\u2019s father is 49 years old. He is 4 years older than three times Laxmi\u2019s age. (Take Laxmi\u2019s age to be y years.)<br \/>\n(iii) The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be l.)<br \/>\n(iv) In an isosceles triangle, the vertex angle is twice either base angle. (Let the base angle be b in degrees. Remember that the sum of angles of a triangle is 180 degrees).<br \/>\n<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>Solution &#8211;<br \/>\n(i) Irfan says that he has 7 marbles more than five times the marbles Parmit has. Irfan has 37 marbles. (Take m to be the number of Parmit\u2019s marbles.)<br \/>\n<\/strong>From the question it is given that,<br \/>\nNumber of Parmit\u2019s marbles = m<br \/>\nIrfan has 7 marbles more than five times the marbles Parmit has<br \/>\n= 5 \u00d7 Number of Parmit\u2019s marbles + 7 = Total number of marbles Irfan having<br \/>\n= (5 \u00d7 m) + 7 = 37<br \/>\n= 5m + 7 = 37<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(ii) Laxmi\u2019s father is 49 years old. He is 4 years older than three times Laxmi\u2019s age. (Take Laxmi\u2019s age to be y years.)<br \/>\n<\/strong>From the question it is given that,<br \/>\nLet Laxmi\u2019s age to be = y years old<br \/>\nThen,<br \/>\nLakshmi\u2019s father is 4 years older than three times of her age<br \/>\n= 3 \u00d7 Laxmi\u2019s age + 4 = Age of Lakshmi\u2019s father<br \/>\n= (3 \u00d7 y) + 4 = 49<br \/>\n= 3y + 4 = 49<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(iii) The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be l.)<br \/>\n<\/strong>From the question it is given that,<br \/>\nHighest score in the class = 87<br \/>\nLet lowest score be l<br \/>\n= 2 \u00d7 Lowest score + 7 = Highest score in the class<br \/>\n= (2 \u00d7 l) + 7 = 87<br \/>\n= 2l + 7 = 87<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\"><strong>(iv) In an isosceles triangle, the vertex angle is twice either base angle. (Let the base angle be b in degrees. Remember that the sum of angles of a triangle is 180 degrees).<br \/>\n<\/strong>From the question it is given that,<br \/>\nWe know that, the sum of angles of a triangle is 180<sup>o<br \/>\n<\/sup>Let base angle be b<br \/>\nVertex angle = 2 \u00d7 base angle = 2b<br \/>\n= b + b + 2b = 180<sup>o<br \/>\n<\/sup>= 4b = 180<sup>o<\/sup><\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions Class 7 Mathematics\u00a0 Chapter &#8211; 4 (Simple Equations) The NCERT Solutions in English Language for Class 7 Mathematics Chapter &#8211; 4 Simple Equations Exercise 4.1 has been provided here to help the students in solving the questions from this exercise.\u00a0 Chapter : 4 Simple Equations NCERT Solution Class 7 Maths Exercise &#8211; 4.2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[219],"tags":[288,289,283,5],"class_list":["post-1868","post","type-post","status-publish","format-standard","hentry","category-class-7-maths","tag-ncert-class-7-maths-chapter-4-simple-equations-in-english","tag-ncert-solutions-class-7-maths-chapter-4-in-english","tag-ncert-solutions-class-7-maths-in-english","tag-ncert-solutions-in-english"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.9 (Yoast SEO v27.4) - 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