Answer:
x = 12
Step-by-step explanation:
1. Multiply it out
2x*2 + 8*2 = 64
4x + 16 = 64
2. Move all the constants to one side and the variable to the other side of the equal sign.
4x = 64 - 16
x = (64 - 16)/4
3. Simplify
x = 48/4