Question

simplify the equation -2(x+2)+4(3+2x)

Answer 1

The answer would be 15 because I know I did it but I don't know how to show it

Answer 2

the answer is 8
so, -2x - 4 + 12 + 2x
   = -2x + 2x - 4 + 12
   = 0 - 4 + 12
    = 12 - 4
    = 8