15.) In the accompanying diagram, ABC is a straight line and
BE bisects 4DBC. If m4ABD = 2x and m4DBE = 2x + 15,
find m4ABD.
![15 In the accompanying diagram ABC is a straight line and BE bisects 4DBC If m4ABD 2x and m4DBE 2x 15 find m4ABD class=](https://us-static.z-dn.net/files/db3/f5ab0b4916d2631e938dd4f2a1637baf.png)