This riddle has gone especially viral because it left many users confused. It was published on the social media platform TikTok on an account that frequently shares riddles and personality tests. The question may be a bit tricky for many of you, but if you concentrate for long enough, you might be able to find the correct answer.


Before you is an incorrect equation, 17-8=6, made up of 21 matchsticks. You must move one matchstick to change the equation and reach a logical solution. The answer appears at the bottom of the article.

Note that there may be several solutions to the equation — we will present only one solution.

Did you succeed? Even if not, it’s okay. The answer is below.

You must move one matchstick to change the equation. Which matchstick? Move the lower left matchstick of the number 8 and attach it to the upper right part of the number 6. In doing so, we turn the number 8 into a 9 and the number 6 into an 8. With this change, we get the correct equation: 17-9=8.

The solution
The solution (credit: MAARIV)