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ludmilkaskok [199]
3 years ago
5

Multi-step K is the midpoint of JL, JL=4x-2, and JK=7. Find x, KL, and JL

Mathematics
1 answer:
ddd [48]3 years ago
7 0
If K is midpoint of JL then JK = 0.5JL

JL = 4x - 2; JK = 7

The equation:
0.5(4x - 2) = 7
2x - 1 = 7      |add 1 to both sides
2x = 8        |divide both sides by 2
<u>x = 4</u>

<u>JL</u> = 4(4) - 2 = 16 - 2 = <u>14</u>

<u>KL</u> = JK =<u> 7</u>
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