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2x+y=-3(persamaan pertama)
3y+2x=-5 = 2x+3y=-5(persamaan kedua)
2x+y=-3 dikurang
2x+3y=-5
=-2y=2
-y=2:2
y=-1
2x+3y=-5
2x + -3 = -5
2x=-5+3
2x=-2
x=-2:2
x=-1