Question

Points A, B, and C are collinear. Point Bis
between A and C.
If AC = 45, AB = BC = 4x - 9, find x.
Helppo

Answer 1

Answer:

7.875

Step-by-step explanation:

AB+BC=AC

(4x-9)+(4x-9)=45

8x-18=45

8x=63

x=7.875