Respuesta:
x-y= -1
4x-5y=0
_______
4x=5y
x=5y/4
x= -1+y
5y/4= -1+y
5y= -4+4y
y = -4
x=-1-4
x= -5
Espero haberte ayudado :D
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Respuesta:
x-y= -1
4x-5y=0
_______
4x=5y
x=5y/4
_______
x= -1+y
5y/4= -1+y
5y= -4+4y
y = -4
_______
x-y= -1
x=-1-4
x= -5
Espero haberte ayudado :D