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Ex 4.3, 2 - Chapter 4 Class 7 Simple Equations - Part 2

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Ex 4.3, 2 Solve the following equations: (b) 3(n – 5) = 213 (n − 5) = 21 n − 5 = 21/3 n − 5 = 7 n = 7 + 5 n = 12 3 (n − 5) = 21 n − 5 = 21/3 n − 5 = 7 n = 7 + 5 n = 12 3 (n − 5) = −21 n − 5 = (−21)/3 n − 5 = −7 n = −7 + 5 n = −(7 − 5) n = −2

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