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.

ANSWER

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

Here Are Some of Our Favorite Puzzles

Written by Curiosity Staff November 15, 2016

Curiosity uses cookies to improve site performance, for analytics and for advertising. By continuing to use our site, you accept our use of cookies, our Privacy Policy and Terms of Use.