Question

Points A, B, and C are collinear. Point B is the midpoint of AC. AB=12x-398. BC=22.

Solve for x. *

Answer 1

x = 35

Explanation:

Collinear points A, B, and C and point B being midpoint of AC means:

AB = BC

12x - 398 = 22

+ 398 + 398

12x = 420

÷12 ÷12

x = 35