Jawabanmu

2014-04-20T20:06:26+07:00
2014-04-20T20:10:17+07:00
2x+3y=26      dikali 3
3x+4y=37      dikali 2

6x+9y=78
6x+8y=74  -
       y=4

2x+3y=26
2x+3

2x+3*4=26 2x+12=26 2x=26-12 2x=14 x=7 5x+2y=35+8=43