Question

2x+[-5x-(-2y+{-x+y})]= ???

Answer 1

Respuesta:

:D

Explicación paso a paso:

(-)(-)= +

(+)(-)= -

(+)(+)= +

2x+[-5x-(-2y+{-x+y})]

2x+[-5x-(-2y-x+y)]

2x+[-5x-(-y-x)]

2x+[-5x+y+x]

2x+[-4x+y]

2x-4x+y

y-2x