# How do you solve  sqrt(8x) + 3 = 7?

Sep 21, 2015

$x = 2$

#### Explanation:

Given-
$\sqrt{8 x} + 3 = 7$

[Add $- 3$ on both sides]

$\sqrt{8 x} + 3 - 3 = 7 - 3$

$\sqrt{8 x} = 4$

Square both sides

$8 x = 16$
$x = \frac{16}{8} = 2$