Answer
$x=17$
Work Step by Step
Add 9 on both sides of the equation to obtain:
$\sqrt{5x-4} = 9$
Square both sides of the equation to obtain:
$5x-4=81$
Add 4 on both sides of the equation to obtain:
$5x = 85$
Divide 5 on both sides to obtain:
$x =\frac{85}{5}
\\x=17$
