Jawabanmu

2014-09-04T09:56:23+07:00
3x-2y=13. |2| 6x-4y=26
x-4y=-5. |1| x-4y=-5
= 7x = 21
x= 21/7 =3

3x-2y=13
3(3)-2y=13
9-2y=13
-2y=13-9
-2y=4
y=-2

x=3 , y =-2
2014-09-04T10:50:13+07:00