Question

-18x - 12 = -102 -18x =

Answer 1

x=-90

Explanation:

-18x-12 = -102-18x

+12 = +12

-18x = -90 -18x

+18x +18x

x = -90

The goal is to get x by itself, by adding 12 to the negative 102 gives us the opportunity to add 18x to the left side canceling out the negative to 0