a. Which values from the set {1, 2, 3,4} are solutions of (line _ this > )2x +5) Show your work?

b. which values from the set {1,2,3,4} are solutions of 11 > 2x + 5? Show your work.
How are your answer from parts a and b different?
How can I tell the answers are different if I don't know how to work them.