# Math Help - [SOLVED] Solve for a?

1. ## [SOLVED] Solve for a?

Solve for a?

2√a-1 = 4√a

How would I solve this?

2. (1) $2\sqrt{a} -1 = 4\sqrt{a}$

Subtract $2\sqrt{a}$ from both sides to obtain:

$-1 = 2\sqrt{a}$

take the square from both sides to get:

$1= 4a$