10th grade

3 points on a line Q,P,R (In order)
if QP =2x
and QR =2x+1
and PR =21
Solve for x

asked by Sammy
  1. QP + PR = QR

    2x + 21 = 2x + 1

    However, this doesn't make sense, since subtracting 2x from both sides gives you 21 = 1. Do you have typos?

    posted by PsyDAG
  2. Indicate your subject in the "School Subject" box, so those with expertise in the area will respond to the question.

    posted by PsyDAG
  3. reply to PSYDAG
    Typos
    I was told no
    but I think yes

    posted by DAD

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