Jawabanmu

2014-04-29T13:48:08+07:00
15 - 8x = 2x - 65
-8x - 2x = -65 - 15
-10x = -80
x = -80 / -10
x = 8
2014-04-29T13:52:14+07:00
Maksudnya nyari nilai x ???
15-8x = 2x-65
15-8x-2x=-65
-8x-2x = -65 -15
-10x = -80
 x= -80 : -10
x =8