Respuesta :

sqdancefan

9514 1404 393

Answer:

  x = -2

Step-by-step explanation:

Set q(x) = -4 and solve for x.

  q(x) = 1/2x -3 . . . . . . given

  -4 = 1/2x -3 . . . . . . . . q(x) = -4

   -1 = 1/2x . . . . . . . . . . add 3

  -2 = x . . . . . . . . . . . . . multiply by 2