What is the expression for "the difference between 5 times a number and twice that number"?

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asked Nov 14, 2019 172k views

1 Answer

ZooKeeper · Answer 1 · 2019-11-21T02:52:59+0000

Hey there :)

Before translating the sentence into mathematics, let r represent 'a number'

5 times a number = 5r
2 times that number = 2r

The difference between them = 5r - 2r

* Your equation
5r - 2r

* Solving the equation
= 5r - 2r
= 3r

What is the expression for "the difference between 5 times a number and twice that number"?

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