Respuesta :
B is the midpoint of AC
so
AB = BC
x+5 = 2x-11
x - 2x = -11 - 5
-x = -16
x = 16
AB = 16 +5
AB = 21
answer
21
so
AB = BC
x+5 = 2x-11
x - 2x = -11 - 5
-x = -16
x = 16
AB = 16 +5
AB = 21
answer
21