# Ex 4.3, 2 (b) - Chapter 4 Class 7 Simple Equations

Last updated at Sept. 11, 2021 by Teachoo

Last updated at Sept. 11, 2021 by Teachoo

Transcript

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

Ex 4.3

Ex 4.3, 1 (a)

Ex 4.3, 1 (b)

Ex 4.3, 1 (c)

Ex 4.3, 1 (d)

Ex 4.3, 1 (f)

Ex 4.3, 1 (e)

Ex 4.3, 1 (g)

Ex 4.3, 1 (h)

Ex 4.3, 1 (i)

Ex 4.3, 1 (j)

Ex 4.3, 2 (a) Important

Ex 4.3, 2 (b) You are here

Ex 4.3, 2 (c)

Ex 4.3, 2 (d)

Ex 4.3, 2 (e)

Ex 4.3, 3 (a) Important

Ex 4.3, 3 (b)

Ex 4.3, 3 (c)

Ex 4.3, 3 (d)

Ex 4.3, 3 (e)

Ex 4.3, 4 (a) Important

Ex 4.3, 4 (b)

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.