Jawabanmu

2014-02-19T19:07:29+07:00
24m=12 m=24/12 m= 2
kalo 3z + 11 = -28 itu berapa??
3z = -28 -11 3z = -39 z = -39/3 z = -13
2014-02-19T22:07:19+07:00