Hola
2x+y=8
2x+y-y=8-y
2x=8-y
2x/2=8/2=y/2
x=8-y/2
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Hola
2x+y=8
2x+y-y=8-y
2x=8-y
2x/2=8/2=y/2
x=8-y/2