Question

Solve: 4x + 9 = 17.

Answer 1

4x + 9 = 17
or, 4x + 9 $-$ 9 = 17 $-$ 9 [Subtracting 9 from both the sides]
or, 4x = 8
or, $\frac{4x}{4}=\frac{8}{4}$ [Dividing both the sides with 4]
or, x = 2