# NCERT Class 7 Mathematics Solutions: Chapter 4 –Simple Equations Exercise 4.3 Part 4

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1.

(a) Construct 3 equations starting with

(b) Construct 3 equations starting with

Answer:

(a) equation starting with

(i)

Multiplying both sides by

Adding both sides

(ii)

Multiplying both sides by

Subtracting both sides

(iii)

Dividing both sides by

(b) equations starting with

(i)

Multiplying both sides by

(ii)

Multiplying both sides by

Adding to both sides

(iii)

Multiplying both sides by

Adding to both sides