Riddles, brain games and intellectual challenges are increasingly present on the internet and social networks. **IQ tests** are among the games that are most popular with users. These tests test both its logic and its ability to solve complex problems. Today we offer you a very interesting intellectual challenge which consists in solving a mathematical equation by removing a match and moving one of them.

**The goal is to remove a match and move one so that the equation 221-11-4=1 becomes correct.**

We can say that this test is very interesting because it will test your ability to solve logical and mathematical problems. Ready ? So let’s go !

## IQ test: remove a matchstick and move one to make the equation fair

IQ tests and riddles are highly regarded for their ability to stimulate the mind. They can be entertaining but also educational. One of the most famous riddles is this IQ test, whose **the goal is to remove a match and move one** so that the equation 221-11-4=1 becomes correct.

These types of games require a lot of concentration and require logic, which requires considerable effort to solve.

However, it is very satisfying to see our efforts rewarded by the solution to these challenges.

We must have an open mind and look for innovative solutions, which can easily lead to frustration if our attempts are unsuccessful. However, if we keep trying and staying focused, we will find the solution.

## The solution to the puzzle

We’re glad you took on this challenge and found the solution! As shown in the image below, the correct equation is 22-11-4=7.

We thank you for your commitment and the time you have spent to find a solution. If it was fun for you, don’t hesitate to share the challenge with those around you on social networks so that they too can try to find the right equation.