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4x - 2x = 5 + 3
2x = 8
x = 4
PQ = ( 4.4 -3)
= 13
QR = (2.4 + 5)
= 13
(4x-3) = (2x+5)
4x-2x = 5+3
2x = 8
x = 4
PQ (4x-3) = 4 x 4 - 3 = 13 cm
QR (2x+5) = 2 x 4 + 5 = 13 cm