SOLUTION: B is the midpoint of line AC. AB = 8v, AC = 2v + 42. What is BC?

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Question 347333: B is the midpoint of line AC. AB = 8v, AC = 2v + 42. What is BC?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: Since we know that AB+BC=AC, this means that 8v+x=2v+42 (where BC=x). From there, solve for x. In addition, because B is the midpoint of AC, this means that AB=BC.