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Matchstick Equations - Back to the Matchstick Puzzles Try to rectify a mistake by moving a single matchstick, to get the correct equation. (Edit: you can not place any matchstick diagonally over the equals sign) The following equation is made of 11 matches: XI - V = IV (more solutions) The following equation is made of 11 matches: X + V = IV (more solutions) The following equation is made of 10 matches: L + L = L (more solutions) The following equation is made of 12 matches: VI = IV - III (more solutions) The following equation is made of 14 matches: XIV - V = XX The following equation is made of 11 matches: IX - IX = V The following equation is made of 12 matches: X = VIII - II The following equation is made of 7 matches: VII = I This old topic is locked since it was answered many times. You can check solution in the Spoiler below. Pls visit New Puzzles section to see always fresh brain teasers.