Mathematical puzzle on which the entire Internet is breaking my head right now!

It all started on August 17 when the user Nejib Tej left on the page in "Facebook" entry, with a picture of a puzzle. Less than a month the post gained more than 500 thousand comments and 13 thousand posts. With the spread of the puzzle, more and more people began to write their answers in the comments. It quickly became clear that the task was not as simple as it seems.



Tjournal.ENWebsite publishes a post publication Tjournal clarifying some of the nuances.





What is the difficulty? Basically, the confusion arises for several reasons.

First, it is easy to miss the sign x in the last line of this task (many people believe that this is another plus).

Secondly, not everyone notices that in the last line only one Shoe and one boot.

Thirdly, many people forget about the fact that the first is multiplying.

For those who are still confused, there is a video with the solution of this problem:



I would like to add that the publishing task of the author is not a Creator. Conclusion it is possible to do searching puzzle in any search engine. Requests for assistance in solving this problem were published early.

via tjournal.ru/33970-ocherednaya-matematicheskaya-golovolomka-sbivaet-s-tolku-mnozhestvo-ludei