Question

Alguien porfa

-2(y-1)+{-4(y-1)-5[y-2(4-y)+3y-(y+1)}=2y-(-5-y)

Answer 1

Explicación paso a paso:

-2(y-1)+{ -4(y-1)-5[y-2(4-y)+3y-(y+1)}=2y-(-5-y)

y=1