Respuesta:
X+Y=2
Explicación paso a paso:
Resolviendo tenemos:
8y+11x=7
7y+10x=5
---------------
7y+10x=5. (-1)
-7y-10x=-5
y+x=2
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Respuesta:
X+Y=2
Explicación paso a paso:
Resolviendo tenemos:
8y+11x=7
7y+10x=5
---------------
8y+11x=7
7y+10x=5. (-1)
---------------
8y+11x=7
-7y-10x=-5
---------------
y+x=2