Answer:
x = 2
Step-by-step explanation:
12x - 4 = 4(2x + 1)
Distribution first
12x - 4 = 4(2x) + 4(1)
12x - 4 = 8x + 4
Isolate x to one side
12x - 4 - 8x = 8x - 8x + 4
12x - 8x - 4 = 4
4x - 4 = 4
4x - 4 + 4 = 4 + 4
4x = 8
4x/4 = 8/4
