LM + MN = LN
5x + 5 = 11x - 1
Add 1 to both sides and subtract 5x from both sides
6 = 6x
Divide each side by 6
1 = x
MN = 5
LM = 5(1) = 5
LN = MN + LM = 5 + 5 = 10
5.6m questions
7.3m answers