Point Q is on line segment start overline, P, R, end overline
PR
. Given Q, R, equals, 3, x,QR=3x, P, Q, equals, x, plus, 6, PQ=x+6, and P, R, equals, 5, x, minus, 4, PR=5x−4, determine the numerical length of start overline, P, Q, end overline, .
PQ
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