Jawabanmu

2014-09-03T15:47:14+07:00
Pengurangan mungkin ya maksudnya...

= -3x-6 - (6x+5)
= -3x-6 - 6x-5
= -9x - 11
11 = -9x
x = -11/9

2014-09-03T15:54:11+07:00