## Intermediate Algebra for College Students (7th Edition)

$x=17$
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: $x =\frac{85}{5} \\x=17$