VickRVick VickRVick

03-12-2021
Mathematics

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The product of a number n and 9, less 20, is 7.

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loneguy loneguy

03-12-2021

[tex]9n-20=7\\\\\implies 9n = 7+ 20 = 27\\\\\implies n = \dfrac{27}9 = 3[/tex]

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