Jawabanmu

2014-08-26T20:05:05+07:00
5z + 3- 2z + 7
3z + 10 <- jawaban nya
1 4 1
2014-08-26T20:05:13+07:00
(5z+3)-(2z-7)=
5z+3-2z+7=
3z+10
2 3 2