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01-10-2016
Mathematics

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the quotient of nine less than 3 times a number and four is 21how to translate into a sentence

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01-10-2016

hello,

Let's assume n the number searched.

nine less 3 times n is written 9-3n

[tex] \dfrac{9-3n}{4} =21\\ ==\ \textgreater \ 9-3n=84\\ ==\ \textgreater \ -3n=75\\ ==\ \textgreater \ n=-25 [/tex]

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