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28-10-2022
Mathematics

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Which of the following expressions represents the sum of a number and twenty-one?n - 2121 nn + 12n + 21

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JoiaD168720 JoiaD168720

28-10-2022

Given

The sum of a number and twenty-one

Solution

"the sum of a number" n= that number

and twenty-one comes after that number "n"

[tex]n+21[/tex]

Answer Link

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