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

Here is the incorrect equation: -70+5=15, made up of 26 matchsticks. You must move one matchstick to change the equation and arrive at a logical solution. The answer is at the bottom of the article.

Note that there can be multiple solutions to the puzzle. We will present only one solution.

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

The solution
The solution (credit: MAARIV)

You must move one matchstick to change the equation. Which matchstick? Move the top matchstick from the digit 7 and attach it to the minus sign (-). This turns the digit 7 into the digit 1, and the minus sign (-) into a plus sign (+). With this change, we get the correct equation: +10+5=15.