# How do you solve sqrt(x-1) = 7?

May 17, 2018

$x = 50$

#### Explanation:

To get rid of the square root, square both sides of the equation.

${\sqrt{x - 1}}^{2} = {7}^{2}$

$x - 1 = 49$

$x = 49 + 1$

$x = 50$