Respuesta :

The simplified answer would be

5
- ----
3
X= -1 2/3 5x+3+-5x-7=9+6x-3 5x-5x+3-7=9-3+6x 3-7=6+6x -4=6+6x -10=6x -5=3x -1 2/3=x X= -1 2/3