Answer:
,

Explanation:
LM = 4x + 8
MN = 27
LN = 6x
Points L, M, and N are collinear, therefore,
(segment addition postulate)
Thus, the equation that would be set up to solve for x would be:
(substitution)
Solve for x as follows:
Subtract 4x from both sides
Divide both sides by 2
