Question

For 20-21, B is the midpoint of AC.
20. A 2x - 8 B x + 17 C X = BC= AB= AC =​

Answer 1

x = 25

Explanation:

since b is the midpoint, 2x - 8 = x + 17

2x - 8 + 8 = x + 17 + 8

2x = x + 25

x = 25

AB = 42

BC = 42

AC = 84