# NCERT Class 7 Mathematics Solutions: Chapter 4 –Simple Equations Exercise 4.2 Part 4

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1. Solve the following equations:

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)

Answer:

(a)

Dividing both sides by

(b)

Subtracting both of sides by

Dividing both of side by

(c)

Multiplying both side

(d)

Multiplying both sides by

(e)

Multiplying both sides by

Dividing both of sides by

(f)

Dividing both sides by 3

(g)

Subtracting both sides by

Dividing both sides by

(h)

Dividing both side by

(i)

Dividing both sides by

(j)

Adding both of sides by

Dividing both of sides by

(k)

Subtracting both sides by

Dividing both sides by .

(l)

Subtracting both sides by

Dividing both sides by