-9+10n=9n-18

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Solution for -9+10n=9n-18 equation: 



-9+10n=9n-18

We move all terms to the left:

-9+10n-(9n-18)=0

We get rid of parentheses

10n-9n+18-9=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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