# Find the value of x such that PQ = QR where the coordinates of P, Q and R are (6,—1), (1, 3) and (x, 8) respectively.

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Find the value of x such that PQ = QR where the coordinates of P, Q and R are (6,-1), (1,3) and (x, 8) respectively.

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P(6,-1), Q(1,3) and R(x, 8) are the given points.