Question

solve for y.
9x - 3y = -15
y = ?x +

Explanation:

Step1: Isolate the y-term

$9x - 3y - 9x = -15 - 9x$
$-3y = -9x -15$

Step2: Divide by -3 to solve for y

$\frac{-3y}{-3} = \frac{-9x}{-3} + \frac{-15}{-3}$
$y = 3x + 5$

Answer:

$y = 3x + 5$