Question

If QR=6x+1,PR=14x-13 and PQ=5x-2,find PR

Answer 1

$PQ+QR=PR$

$5x-2+6x+1=14x-13$

$11x-1=14x-13$

$11x-14x=1-13$

$-3x=-12$

$x=-12:(-3)$

$x=4$

Calculate the value of $PR$:

$PR=14x-13=14*4-13=56-13=43$

Solution: $PR=43$