10n=9+9n

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Solution for 10n=9+9n equation: 



10n=9+9n

We move all terms to the left:

10n-(9+9n)=0

We add all the numbers together, and all the variables

10n-(9n+9)=0

We get rid of parentheses

10n-9n-9=0

We add all the numbers together, and all the variables

n-9=0

We move all terms containing n to the left, all other terms to the right

n=9

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