Puzzle #513: Fix 7-9=18 by Moving One Matchstick

hard

This enigma presents a challenge in which you must alter a single matchstick to resolve an equation. You must complete the task within 20 seconds. This type of brainteaser is a great way to exercise your problem-solving skills and sharpen your mind. It also encourages imagination, as it requires you to think of different solutions. To solve this puzzle, you must make use of your logical reasoning and observation skills to identify the best way to rearrange the matchstick and arrive at the correct answer. With the proper approach, you can solve this puzzle within the given time frame. Good luck!

Matchstick puzzle: fix 7-9=18 by moving one matchstick
7-9=18

This equation uses 21 matchsticks. You may move exactly one.

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Solution: 7+9=16. Move one matchstick from the digit 8 (making it digit 6) over to the minus sign (making it plus sign).
7+9=16 — Move one matchstick from the digit 8 (making it digit 6) over to the minus sign (making it plus sign).

Matchstick puzzles are great for exercising your mental abilities and problem-solving skills. To solve them, all you must do is observe the question carefully to know what the problem is.

Once you understand the difficulty, you will be conscious of what adjustments should be made to solve this difficulty. If you know what to do then you can easily solve the matchstick conundrum if you keep trying you will become adept at resolving such brainteasers.

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