Respuesta :

Answer:

x = 9

AB = 9

BC = 15

Step-by-step explanation:

x + x + 6 = 24

2x + 6 = 24

2x = 24 - 6

2x = 18

x = 18 / 2

x = 9

AB = x = 9

BC = x + 6

= 9 + 6

BC = 15