Question

If JK= 2x, KL=8, and JL= 4x, what is JK?

(On a line segment)
J 2x K 8 L
|—————————-|————————-|
4x
^_____________|_____________^

Answer 1

JK = 8

Explanation:

As JK + KL = JL.

2x + 8 = 4x

–2x –2x

8 = 2x

÷2 ÷2

4 = x.

x = 4.

JK = 2x.

x = 4 → JK = 2x → JK = 2(4) → JK = 8.