Question

Point B is the midpoint of AC. What is AC?

Show your equation, work, and final answer.

Answer 1

102

Explanation:

We first want to solve for x:

7x-4=3x+32

4x=36

x=9

Now we have to put 9 into the AB equation to see what half of AC is.

7(9)-4=AB

AB=51

AB is half of AC so AC must be 102