02-12-2016
Mathematics

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Point M is the midpoint of segment QR. If QM = 16 + x and MR = 2(x + 2), find the length of QM.

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02-12-2016

just add them
QM+MR=QR
16+x+2(x+2)=QR
16+x+2x+4=QR
20+3x=QR

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