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Sahay Sir > Question Answers > NCERT Class 7 > Maths > Chapter 4 - Simple Equations > 1. Set up equations and solve them to find the unknown numbers in the following cases: (c) If I take three-fourth of a number and add 3 to it, I get 21.

1. Set up equations and solve them to find the unknown numbers in the following cases: (c) If I take three-fourth of a number and add 3 to it, I get 21.

1. Set up equations and solve them to find the unknown numbers in the following cases: (c) If I take three-fourth of a number and add 3 to it I get 21.