SAT Math: Advanced Math

To isolate the radical in the equation $2\sqrt{3x - 1} - 3 = 7$, what is the correct first step?

What is the first step to isolate the radical in the equation $\frac{\sqrt{x+5}}{2} + 1 = x$?

What is the least common denominator (LCD) of the equation $\frac{1}{x} + \frac{1}{2} = 1$?

What is the least common denominator (LCD) of the equation $\frac{1}{x^2 - 1} + \frac{1}{x+1} = 1$?

What two equations must be considered to solve $|x - 2| = 5$?

Given the equation $|2x + 1| = 5$, are $x = 2$ and $x = -3$ valid solutions?

What is the first step in solving the radical equation $\sqrt{x} + 2 = 5$?

Solve for $x$: $\sqrt{x} = 4$

What power should you raise both sides of the equation $\sqrt[3]{2x+1} = 3$ to, in order to eliminate the radical?

Solve for $x$: $\sqrt{x+1} = \sqrt{2x-5}$