Explicación paso a paso:
1) 8(x+y)+6=-2
8(x+y)=-8
x+y=-1
2)2y-x=4
3)X-Y=-7
4)2(X-Y)=-14
X-Y=-7
de ND XD plis corazónes.
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Explicación paso a paso:
1) 8(x+y)+6=-2
8(x+y)=-8
x+y=-1
2)2y-x=4
3)X-Y=-7
4)2(X-Y)=-14
X-Y=-7
de ND XD plis corazónes.