Question

1. (01.02 mc)

what is the value of z in the equation 2z + 6 = -4? (5 points)
5
1
-1
-5

Explanation:

Step1: Subtract 6 from both sides

$2z + 6 - 6 = -4 - 6$
$2z = -10$

Step2: Divide by 2 on both sides

$\frac{2z}{2} = \frac{-10}{2}$
$z = -5$

Answer:

-5 (corresponding to the option: -5)