Draw a figure to represent the given information. \

From figure; equate the segment NL lengths.
\
Apply division proparty of equality: If a = b then 
(Divide each side by 5)
(Cancel commen terms)
(Divide
) \
Length of segment 
(Substitute x = 3)
(Multiply
)
The value of x is 3.
\The length of the segment LM is 9.
\