persamaan2x+3y-4=0danx-3y-5=0

2x+3y=4
2(5+3y)+3y=4
10+6y+3y=4
9y=4-10
9y=-6
y=-6/9
y=-2/3

dan

x=5+3y
x=5+3(-2/3)
x=5-6/3
x=5-2
x=3


semoga membantu

•2x+3y-4=0
•x-3y-5=0
2x+3y=4 |x1|
x-3y=5 |x1|
_______+
3x=9
x=3
•x-3y=4
3-3y=4
-3y=1
y=-2/3