Question

4x-12=2 (x+7)+6 resposta completa.

Answer 1

4x-12=2.(x+7)+6 
4x - 12 = 2x + 14 + 6
4x - 2x = 14 + 6 + 12
2x = 32 
x = 32/2
x = 16

Answer 2

4x -12 =  2x + 14 + 6
4x -2x = 20  + 12
2x = 32
x = 16