How does one do this? I’ve tried and still can’t get it please help

Question

asked Jul 1, 2021 214k views

1 Answer

Justin Beaudry · Answer 1 · 2021-07-07T03:22:50+0000

Answer:

20

Explanation:

An angle bisector cuts an angle into two equal parts. So m∠ACE = m∠ECB.

m∠ACE = m∠ECB

2x − 15 = x + 5

x = 20