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2)y = -2
3)x = 3 y = 3 yang 4 sm 5 kurang tau
y=-3
x-y=0
masukkan aja
x-(-3)=0
x+3=0
x=-3
2.
x=1
2x+y=0
masukkan
2(1)+y=0
2+y=0
y=-2
3.
x+y=6
x-y=0-
2y=6
y=6/2
y=3
x-y=0
x-3=0
x=3
4.
3x+2y=12
x+2y=4-
2x=8
x=8/4
x=2
x+2y=4
2+2y=4
2y=4-2
2y=2
y=2/2
y=1
5.
2y-x=-6
y=x+3
2y-x=-6
2(x+3)-x=-6
2x+6-x=-6
x=-6-6
x=-12
y=x+3
y=-12+3
y=-9
Jadikan yang terbaik yah susah ngetiknya :v