Question

If B is the midpoint of AC, and AC = 8x – 20, find BC. 3x - 1 A B C

Answer 1

Answer:

x = 9

Step-by-step explanation:

Since B is the midpoint, that means segment AB has to be the same length as BC.

Therefore:

$2(3x-1)=8x-20$

$6x-2=8x-20$

$18=2x$

$9=x$