Respuesta :

Answer:

  • x = 3

Step-by-step explanation:

Use slope formula and compare with the actual slope m = -2:

  • m = (12 - 4)/(x - 7)
  • 8/(x - 7) = -2
  • x - 7 = -4
  • x = 7 - 4
  • x = 3

Answer:

x=3 this is my answer. ......