Astrid13 Astrid13

18-09-2018
Mathematics

contestada

I need some help please!
K is the midpoint or segment JL. JL=3x-15
JK=18
Find x.

Respuesta :

HistoryNerd15 HistoryNerd15

18-09-2018

Because K is the midpoint of JL and JK = 18, KL must also equal 18. So the equation would be 3x - 15 = 36 because you add 18 + 18. You then add 15 to both sides to get 3x = 51. Then you divide by 3 on both sides to get x = 17.

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