Question

{-[2x+(-x-1)]}= -(10x +8)
Ayuda!

Answer 1

{-[2x+(-x-1)]}= -(10x +8)
{-¨[2x-x-1]}=-10x-8
{-[x-1]}=-10x-8
{-x+1}=-10x-8
-x+1=-10x-8
-x+10x=-8-1
9x=-9
x=-9/9
x=-1