Question

-5+3=+4-12+9x?? me ajude

Answer 1

-5+3=+4-12+9x
-9x=5-3+4-12
x=-6/-9  divididos por 3
x=2/3

Answer 2

- 5 + 3 = + 4 - 12 + 9x
- 2 = - 8 + 9x
- 2 + 8 = 9x
6 = 9x
9x = 6 (:3)
3x = 2
x = 2/3