9n+2n=99

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Solution for 9n+2n=99 equation:



9n+2n=99
We move all terms to the left:
9n+2n-(99)=0
We add all the numbers together, and all the variables
11n-99=0
We move all terms containing n to the left, all other terms to the right
11n=99
n=99/11
n=9

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