Jawabanmu

2014-09-03T18:44:45+07:00
Eliminasi Y:
(1) 2x-3y=13 =>×1
(2) 4x+y=15 => ×3
(1) 2x-3y=13
(2) 12x+3y=15
——————————+
14x= 28, x=2
Substitusi x ke pers. ke-2
4(2)+y=15
8+y=15
y=15-8
y= 7