Respuesta :

Answer:

x = 10

Step-by-step explanation:

2) -3x + 17 = -x - 3

4) 20 = 2x

1) -3x + 12 + 5 = -x -3

5) 10 = x

3) 17 = 2x - 3

-3(x - 4) + 5 = -x - 3

-3x + 12 + 5 = -x - 3

-3x + 17 = -x -3

+3x          +3x

17 = 2x - 3

+3        + 3

20 = 2x

10 = x

I hope that this helps! :)