# Ex 4.4, 1 (c) - Chapter 4 Class 7 Simple Equations

Last updated at Sept. 11, 2021 by Teachoo

Last updated at Sept. 11, 2021 by Teachoo

Transcript

Ex 4.4, 1 Set up equations and solve them to find the unknown numbers in the following cases: (c) If I take three-fourths of a number and add 3 to it, I get 21 Let the number = m Given that, Adding three-fourth of m to 3 = 21 So, 3/4 m + 3 = 21 3/4 m = 21 − 3 3/4 m = 18 3m = 18 × 4 3m = 72 m = 72/3 m = 24

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Davneet Singh

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.