9(n-1)=6(3n+9)

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Solution for 9(n-1)=6(3n+9) equation: 



9(n-1)=6(3n+9)

We move all terms to the left:

9(n-1)-(6(3n+9))=0

We multiply parentheses

9n-(6(3n+9))-9=0



We calculate terms in parentheses: -(6(3n+9)), so:

6(3n+9)

We multiply parentheses

18n+54

Back to the equation:

-(18n+54)



We get rid of parentheses

9n-18n-54-9=0

We add all the numbers together, and all the variables

-9n-63=0

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

-9n=63

n=63/-9

n=-7

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