# How do you solve for a in sqrt(a-3b)/2 = c?

Oct 28, 2017

Given: $\frac{\sqrt{a - 3 b}}{2} = c$

Multiply both sides by 2:

$\sqrt{a - 3 b} = 2 c$

Square both sides:

$a - 3 b = 4 {c}^{2}$

$a = 4 {c}^{2} + 3 b$