Answer:
3r+8
Step-by-step explanation:
It would be 8 1/6 im 90% sure
x = 7
A, B, and C are collinear B is between A and C.
AC = AB + BC
2x + 1 = x + 4 + 2x - 10
2x + 1 = 3x - 6
2x - 3x = - 6 - 1
- x = - 7