Question

Points A, B, C are collinear. Points B is between A and C. Find the length indicated.

Answer 1

AB=7

Explanation:

(x-2)+(-15+2x)=10

x-2-15+2x=10

3x-17=10

3x=10+17

3x=27

x=27/3

x=9

AB=x-2=9-2=7