A simple-looking math problem has gone viral online after thousands of people started arguing over the correct answer.

At first glance, the equation seems easy:
5 × 5 − 5 + 5 ÷ 5
But surprisingly, huge numbers of people still answer incorrectly because they forget one important thing:
the order of operations.
Why So Many People Get It Wrong
Many people try solving the equation from left to right immediately, which leads to completely different answers.
Some say:
- 4
- 5
- 20
- or even 0
But according to standard math rules, multiplication and division must always be completed before addition and subtraction.
Here’s The Correct Way To Solve It
The equation is:
5 × 5 − 5 + 5 ÷ 5