Answer:
1. According to the angle bisector theorem, DAC = BAC
2. Same kind of goes for BC
3. X must be equal in both equations. x= 3
9(3) -7 = 20
4(3) +8 = 20
Hope this helped!
It’s D. 4 is the one next to X because that’s what is changing and -3 is the y intercept which comes after X
