Jawabanmu

2014-03-11T22:24:19+07:00
-9(x-2)+6x+6x=7x-2(3x+4)
-9x + 18 + 12x= 7x - 6x - 8
3x + 18 = x - 8
3x - x = -8 - 18
2x = -26
x = -26/2
x = -13