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Verified answer
2y-3x=0x-y=-2 kali 2
-3x+2y=0
2x-2y=-4
_________-
-x=-4
x=4
x-y=-2
4-y=-2
-y=-2-4
-y=-6
y=6
kemudian 2 persamaan tersebut di tambah untuk mengeliminasi y.
hasilnya
-x = -4
x = 4