Help please quick!!!!!!

Answer:
LN = 24
Step-by-step explanation:
WX is a midsegment of ΔMLN
Then, WX * 2 = NL
Substitute the values and solve.
2(x + 18) = x + 30
2x + 36 = x + 30
x = -6
Substitute this into x + 30
LN = -6 + 30
LN = 24