Did you get it right?
This chalkboard puzzle asks you to solve the expression carefully: 7 + 7 x 4 – 7 = ?
The Answer
The correct answer is: 28.
Here is why
- Do multiplication first: 7 x 4 = 28.
- Then add the first 7: 7 + 28 = 35.
- Then subtract the last 7: 35 – 7 = 28.
Why people miss it
A fast left-to-right answer changes the result. The order of operations is the whole trick.
What answer did you get before checking?
