Question

resolver 8x-9-12x=-7+x+14

Answer 1

8x-9-12x=-7+x+14
-4x - 9 = 7 + x
-9-7 = x + 4x
-16 = 5x
-16/5 = x

Answer 2

Resolver.

8x - 8 - 12x = - 7 + x + 14
- 4x - 9 = x + 7
- 9 - 7 = x + 4x
- 16 = 5x
- 16/5 = x

Resouesta.
x = - 16/5