Question

Al resolver:
x-[x - {y - (2x - y)}+x - (-y)?
Se obtiene:
resolucionxfa​

Answer 1

Explicación paso a paso:

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

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

x-(3x-2y)+x+y

x-3x+2y+x+y

4x-2y