Respuestas

2013-06-18T00:53:18+02:00
(2) / (x+2)  = (x-4) / (8)
8(x+2)  = 2(x-4)
8x + 16 = 2x -8
8x - 2x = -8 - 16
6x = -24
x = -24 / 6
x= -4