If:
AC = 64,
AB = 72 +8, and
BC = 3.2 + 6.
Find BC.

Answer:
21
Step-by-step explanation:
Step 1:
10x + 14 = 64
Step 2:
10x = 50
Step 3:
50 ÷ 10
Step 4:
x = 5
Step 4:
15 + 6
Answer:
21
Hope This Helps :)