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12-03-2018
Mathematics

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K is the midpoint of JL. If: JK = 5x + 1 and KL = 7x - 3. Find JL

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Bladerunner1976 Bladerunner1976

12-03-2018

IF K is the midpoint of JL then JK = KL, so...
5x + 1 = 7x - 3
5x = 7x - 4
-2x = -4
x = 2

JK = 5(2) + 1 = 11
JL = 2 * JK = 2 * 11 = 22

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