# NCERT Class 7 Mathematics Solutions: Chapter 4 – Simple Equations Exercise 4.2 Part 3 (For CBSE, ICSE, IAS, NET, NRA 2022)

Get top class preparation for NCO right from your home: fully solved questions with step-by-step explanation- practice your way to success.

1. Give first the step you will use to separate the variable and then solve the equations

(a)

(b)

(c)

(d)

Answer:

(a)

Step I: Adding both sides

Step II: Dividing both sides by .

(b)

Step I: Subtracting both sides

Step II: Dividing both sides by .

(c)

Step I: Multiplying both sides

Step II: Dividing both sides by

(d)

Step I: Multiplying both sides

Step II: Dividing both sides by