Respuesta:
X=6
Y=2
Explicación paso a paso:
X-Y=4 (-1)
X-3Y=0 ( 1)
-X+Y=-4
X-3Y=0
-2Y=-4
Y= - 4/-2
X-Y=4
X-2=4
X=4+2
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Respuesta:
X=6
Y=2
Explicación paso a paso:
X-Y=4 (-1)
X-3Y=0 ( 1)
-X+Y=-4
X-3Y=0
-2Y=-4
Y= - 4/-2
Y=2
X-Y=4
X-2=4
X=4+2
X=6