x = -3
To solve this, first set -2x + 2 = 8
Now you want to try to get x alone on one side so subtract 2 on both sides
-2x = 6
Finally divide both sides by -2 to find out what x is equal to
x =-3
To check if this is the right answer, plug -3 in for x in the original equation and see if it comes out as 8
-2(-3) + 2 = 8
6 + 2 = 8
8 = 8
Both sides are equal so -3 is the solution