Answer
x = -6
Work Step by Step
Our goal is to isolate x. To accomplish this we will first distribute. Remember to keep track of the negative:
2-3(x+4) = 8
2-3x-12 = 8
-3x-10 = 8
We will then isolate x by adding 10 to both sides and then dividing by -3:
-3x-10 = 8
-3x = 18
x = -6