Respuesta:
x2−y=2x2-y=2 , 2x−y=−12x-y=-1
x−y=9x-y=9 , x+y=6x+y=6
2x+y=−22x+y=-2 , x+2y=2x+2y=2
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Verified answer
Respuesta:
x2−y=2x2-y=2 , 2x−y=−12x-y=-1
x−y=9x-y=9 , x+y=6x+y=6
2x+y=−22x+y=-2 , x+2y=2x+2y=2