Question

resolver ecuaciones.
-3x + 8 - (x+5)=4x + 12

Answer 1

-3x + 8 - (x+5)=4x + 12
-3x+8-x-5=4x+12
-3x-4x-x=12-8+5
-8x=9
x= -9/8

Saludos :D

Answer 2

-3x+8x+40=4X+12
5x+40=4X+12
x=40-12
x=28