Respuesta:
Explicación paso a paso:
=2x+{-5x-(-2y-x+y)}
= 2x+{-5x+2y+x-y}
=2x-5x+2y+x-y
= -2x+y
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Verified answer
Respuesta:
Explicación paso a paso:
=2x+{-5x-(-2y-x+y)}
= 2x+{-5x+2y+x-y}
=2x-5x+2y+x-y
= -2x+y