Question

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

Answer 1

7x+8+3x+6=64

10x+14=64

10x=50

X=5

BC=3 x 5+6= 21

Answer 2

21

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 :)