What is the length of AC?
pls help!​

16

Step-by-step explanation:

8 + 8 (same length)

= 16

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x

if the angular bisector of an triangle bisects the opposite side, prove that the other two sides are equal.