Answer to Question #169185 in Algebra for william

Question

1. What is the first step to solving the equation 1= square root of x-3

Answer 1

The first step to solve the equation,

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

is to square both the sides.

i.e., 1$^2$ = $(\sqrt{x - 3})^2$

1 = x - 3

x = 1 + 3

$\therefore$ x = 4