Respuesta :

9514 1404 393

Answer:

  x = 8

Step-by-step explanation:

The marked angles are alternate interior angles, so are congruent.

  8x -4 = 60

  8x = 64 . . . . . . . . . . add 4 to both sides

  x = 64/8 = 8 . . . . . . divide both sides by 8

The value of x is 8.