MN bisects JL at K. if JK=x-3 and KL =13-3x.

x = 4, JL = 2

Step-by-step explanation:

Given that MN bisects JL at K , then

JK = KL , substitute values

x - 3 = 13 - 3x ( add 3x to both sides )

4x - 3 = 13 ( add 3 to both sides )

4x = 16 ( divide both sides by 4 )

x = 4

Thus

JL = JK + KL = x - 3 + 13 - 3x = 10 - 2x = 10 - 2(4) = 10 - 8 = 2

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