Respuesta :

abidemiokin

Answer:

4

Step-by-step explanation:

Given the following

JK = 2x,

KL = 6, and

JL = 4x,

The following postulate is true

JK + KL = JL

Substitute

2 + 6 = 4x

8 = 4x

x = 8/4

x = 2

Since JK = 2x

JK = 2(2)

JK = 4

Hence JK is 4

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