-9=9(n+10)

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Solution for -9=9(n+10) equation: 



-9=9(n+10)

We move all terms to the left:

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



We calculate terms in parentheses: -(9(n+10)), so:

9(n+10)

We multiply parentheses

9n+90

Back to the equation:

-(9n+90)



We get rid of parentheses

-9n-90-9=0

We add all the numbers together, and all the variables

-9n-99=0

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

-9n=99

n=99/-9

n=-11

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