Respuesta :

Answer:

D) 7

Step-by-step explanation:

Tangents from the same external point are equal in length.

  • 8x - 7 = 6x + 7

Add 7 on both sides.

  • 8x - 7 + 7 = 6x + 7 + 7
  • 8x = 6x + 14

Subtract 6x from both sides.

  • 8x - 6x = 6x + 14 - 6x
  • 2x = 14
  • x = 7

The correct option is D.