Question

solve for w.
9 = 3w - 12
simplify your answer as much as possible.
w = \boxed{}

Explanation:

Step1: Add 12 to both sides

$9 + 12 = 3w - 12 + 12$
$21 = 3w$

Step2: Divide both sides by 3

$\frac{21}{3} = \frac{3w}{3}$
$7 = w$

Answer:

$w=7$