we are given
JL = 4x - 2
JK = 7
K is the midpoint of JL
so,

now, we can plug values
we get
Calculation of x:

now, we can solve for x



Calculation of KL:
Since, K is the midpoint of JL

we can plug values
and we get

Calculation of JL:
Since, K is the midpoint of JL


