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If K is the midpoint of JL, JK = 138 and KL = 10x – 12, find the value of x

Sagot :

Answer:

x = 15

Step-by-step explanation:

If K is the midpoint of the segment JL, then JK = KL, therefore

138 = 10x -12     after substitution,

150 = 10x          add 12 to both sides,

15 = x                divide both sides by 10 to isolate x