Answer:
The value of x is 5, AB = 48, BC = 48, AC = 96
Step-by-step explanation:
We can set these equal to each other as AB is the first half and BC is the 2nd half so:
12x-12=4x+28
8x=40
x=5
Plug x into this:
12(5)-12 = 48
and this:
4(5) + 28 = 48
Then we add both halves up for the total length:
48+48 = 96
