Question

solve for z.
42 = -7(z - 3)
z =

Explanation:

Step1: Divide both sides by -7

$\frac{42}{-7} = \frac{-7(z-3)}{-7}$
$-6 = z - 3$

Step2: Add 3 to both sides

$-6 + 3 = z - 3 + 3$
$-3 = z$

Answer:

$z = -3$