Puzzles & Quizzes

Can You Solve This Order of Operations Problem With 7s?

The beautiful thing about math is that it's cut and dry, black and white, right and wrong — well, most of the time.

The Puzzle

With problems that require in-depth knowledge of the order of operations, a seemingly simple algebra problem can become insanely frustrating. Here's an example of such a problem that was presented on YouTube by Presh Talwalkar, the host of the MindYourDecisions math channel. It goes as follows: 7 + 7 ÷ 7 + 7 × 7 - 7 = ? Watch the video below for the solution, or read the answer by scrolling down.

What Is 7 + 7 ÷ 7 + 7 × 7 - 7 Equal To?

Get the solution, and learn why it's correct here.


The answer to this problem is 50. Find out why this is correct by watching the video above.

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Written by Curiosity Staff November 15, 2016

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