Question

What is the expression for the difference between five times a number and twice that number?​

Answer 1

5x-2x

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Explanation:

Answer 2

`5x-2x`

Explanation:

Let's call that number
`x`.

when we are asked for a difference we must substract quantities.

In this case we need the difference between five times a number (the number is represented by
`x`) and twice that number:

five times the number x is equal to

`x+x+x+x+x=5x`

twice that number x is equal to:

`x+x=2x`

thus, the difference is:
`5x-2x`