Respuesta :

Answer:

x=8

Step-by-step explanation:

1. Distribute the 3 into the (x-3) to have 3x-9 = -2x+31

2. Add 9 to each side to get 3x = -2x+40

3. Add 2x to each side to get 5x = 40

4. Divide each side by 5 to get x=8