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You are watching: 7 + 7 / 7 + 7 x 7 - 7

Posted November 3, 2016 by Presh Talwalkar. Read about me, or email me.


Here us go again, one more order of work problem. This equation has actually been shared on Twitter and also Facebook and many human being are confused around the exactly answer.

7 + 7 ÷ 7 + 7 × 7 – 7 =

In the following video I describe the answer and present two different ways to leveling the expression.

What Is 7 + 7 ÷ 7 + 7 × 7 + 7 same To? The correct Answer Explained

Or keep reading for a text explanation. . ."All will certainly be fine if you use your mental for her decisions, and mind only your decisions." since 2007, ns have committed my life to share the joy of video game theory and also mathematics. Historicsweetsballroom.com now has actually over 1,000 free articles with no ads many thanks to neighborhood support! help out and get early access to write-ups with a pledge on Patreon.

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The exactly answer is 50.

One method to view this is to translate the expression 7 + 7 ÷ 7 + 7 × 7 – 7 = into a situation about money.

The expression begins with 7, so you start out v $7.

The next component is “+ 7 ÷ 7.” This means you get a 1/7 re-publishing of $7. Due to the fact that a 1/7 re-superstructure of $7 is $1, that method you acquire $1. In ~ this suggest you have actually $7 + $1 = $8.

The next part is “+ 7 × 7.” This means you get $7 more, repeated 7 times. Since a $7 times 7 is $49, that means you acquire $49 in total. At this allude you have $8 + $49 = $57.

The last component is “- 7.” That way $7 is taken away from you. You subtract $7, therefore you end up v $57 – $7 = $50.

The correct answer is because of this 50.

The expression can likewise be simplified by the order of operations, often remembered by the acronyms PEMDAS/BODMAS.

First advice Parentheses/Brackets, climate evaluate Exponents/Orders, then evaluate Multiplication-Division, and finally evaluate Addition-Subtraction.

The expression 7 + 7 ÷ 7 + 7 × 7 – 7 has actually no bracket or exponents, so us evaluate multiplication and division.

7 ÷ 7 = 1 7 × 7 = 49

This means

7 + 7 ÷ 7 + 7 × 7 – 7 = 7 + 1 + 49 – 7

Now we deserve to evaluate the enhancement and the individually from left to right.

= 8 + 49 – 7 = 57 – 7 = 50

The exactly answer is 50.


PRESH TALWALKAR

I run the historicsweetsballroom.com channel top top YouTube, which has over 1 million subscribers and 200 million views. Ns am likewise the writer of The delight of video game Theory: An arrival to strategic Thinking, and also several other publications which are accessible on Amazon.

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By way of history, I began the Mind your Decisions blog ago in 2007 come share a little of math, personal finance, personal thoughts, and also game theory. It"s been rather a journey! I give thanks to everyone that has shared mine work, and also I am an extremely grateful because that coverage in the press, including the Shorty Awards, The Telegraph, Freakonomics, and also many other well-known outlets.

I studied Economics and Mathematics in ~ Stanford University.

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