Respuesta :

Answer:

16.6

Step-by-step explanation:

  • By the property of intersecting secants.

  • 5(5+x) = 6(6+12)

  • -> 25 + 5x = 6*18

  • -> 5x = 108 - 25

  • -> 5x = 83

  • -> x = 83/5

  • -> x = 16.6

Answer:16.6

Step-by-step explanation: