A, B, and C are collinear points C is the midpoint of AB AC = 5x - 6 CB = 2x Find AB

Question

asked Mar 14, 2021 78.3k views

1 Answer

Horatiu Jeflea · Answer 1 · 2021-03-19T20:03:15+0000

Answer:

AB = 8

Explanation:

Since C is the midpoint, ...

AC = CB

5x -6 = 2x

3x = 6 . . . . . . . add 6-2x

x = 2

Then the length of AB is ...

AB = 2(CB) = 2(2x) = 4(2)

AB = 8