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Equation Guess #840

#840 · MediumArchive: not ranked
How to play
  • Type an equation eight characters long, like 12+35=47, and press Enter. Every guess must be true.
  • Use the digits 0-9, + − × ÷ and one =. × and ÷ are worked out before + and −.
  • Each character is marked: ✓ right character in the right spot, ↔ in the equation but in another spot, or not in it at all.
  • You have six tries. Fewest guesses wins, then the fastest time.

Equation Guess #840 is the puzzle from Tuesday, October 20, 2026 (medium). Archive puzzles count toward your statistics, not your streak or the leaderboard.

Archive games count toward your statistics, not your streak or the leaderboards.

About Equation Guess #840

Equation Guess #840 was the puzzle for Tuesday, October 20, 2026, a medium one: a hidden equation of 8 characters to find in 6 guesses. Everyone who played Equation Guess that day got the same puzzle, and it stays here to play for 60 days.

New to Equation Guess? The rules, tips and common questions are on the Equation Guess page, and Equation Guess Strategy: Crack It in Four goes into strategy.

Other days of Equation Guess

Every day of the last 60 is in the puzzle archive.

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