# How do you solve 3sqrt(3x-1)=21?

Mar 7, 2018

$x = \frac{50}{3}$

#### Explanation:

Divide both sides by 3

$\sqrt{3 x - 1} = 7$

Square both sides and it becomes:

$3 x - 1 = 49$

$3 x = 50$
$x = \frac{50}{3}$