Respuesta :

Answer:

x = 15
AC = 31
BC = 12

Explanation:

To setup the equation it is:

2x + 1 = 4x - 29

Because AC is the whole thing.
Meaning AB + BC = AC.

1 = 2x - 29
30 = 2x
30/2 = 15

15 = x

4(15) - 29 = 31
31 = AC

2(15) - 18
12 = BC