Neatorama presents our collaboration with Pzzlr, a site where you can always find a riddle to exercise your brain. Can you solve this one?
How would this equation be correct without changing it?
XI + I = X
Think you know the answer? Find out at Pzzlr!
Look for a new puzzle here at Neatorama every Wednesday, and check out Pzzlr for a puzzle anytime!
(Image credit: Alex1011)
(as with other puzzlr questions, it's interesting that there can be alternate explanations than was intended, ie the algebraic interpretation)