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5/6(x-y)=26-1 5x-5y=25(5) 5x-5y=125
Reemplazo en la segunda formula
5(75-y)-5y=125
375-5y-5y=125
-10y= 125-375
-10y=-250
y=250/10
y=25
x= 75-25
x= 50