Respuesta :

faithgc22
4x + 4 = 9x - 36
    +36         +36
______________
4x + 40 = 9x
 -4x          -4x
___________
40 = 5x
---    ----
 5      5
________
8 = x
x = 8
ayah1
4x + 4 = 9x - 36  ( - 4 each side)

4x = 9x - 36 - 4   ( - 9x each side)

4x - 9x = - 40

(4 - 9)x = - 40

- 5x = - 40        (divide -5 from each side)

x = -40 / -5

x = 8
answer