Question

Which of the following is a solution to the equation x - 12 = -18?

A.4.5
B.-22.5
C.-40
D.-8

Answer 1

x = -6

Explanation:

x - 12 = -18

Add 12 on both sids

x = -18 + 12

x = -6

Answer 2

x = -6

Explanation:

x - 12 = -18

Add 12 to each side

x-12+12 = -18+12

x = -6