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!
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Turn it upside down: X=I+IX
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My answer works just as well as the published one: look at the equation with a mirror.
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I may be drunk on chocolate, but I don't understand why the mirror/flip solution makes it 'correct'. the better answer on pzzlr is "(X=0, I=0) as well as (X=-2, I=2) would satisfy the equation or make it correct"
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