Respuesta :

Answer:

x= -2

Step-by-step explanation

3[-x + (2 x + 1)] = x-1

3(-x + 2x + 1) = x-1

-3x + 6x + 3 = x-1

3x + 3 = x-1

     -3   -x

2x = -4

2x/2 = -4/2

x=-2

Hope this helps!!!