how would i write this as an equation?

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the sum of a number and nine is eighty two?

Oct 20th, 2017

Let x = a number

The sum of a number and nine is x + 9

So,  x + 9 = 82

Nov 21st, 2014

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Oct 20th, 2017
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Oct 20th, 2017
Oct 20th, 2017
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