Respuesta :

Answer:

  6 < x < 51

Step-by-step explanation:

An acute angle has a measure between 0 and 90 degrees:

  0 < 2x -12 < 90

  12 < 2x < 102 . . . . . add 12

  6 < x < 51 . . . . . . . . divide by 2

Possible values of x are between 6 and 51.