Respuesta:
x+y
Explicacion:
y+x-y+z+y-z
x+z+y-z
=x+y
Explicación paso a paso:
=x+x-x+y-y+y+z-z
=x+y-y+y+z-z
=x+y+z-z
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Verified answer
Respuesta:
x+y
Explicacion:
y+x-y+z+y-z
x+z+y-z
x+y
Respuesta:
=x+y
Explicación paso a paso:
=x+x-x+y-y+y+z-z
=x+y-y+y+z-z
=x+y+z-z
=x+y