-9(-9+5n)=9(12n-5)

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Solution for -9(-9+5n)=9(12n-5) equation: 



-9(-9+5n)=9(12n-5)

We move all terms to the left:

-9(-9+5n)-(9(12n-5))=0

We add all the numbers together, and all the variables

-9(5n-9)-(9(12n-5))=0

We multiply parentheses

-45n-(9(12n-5))+81=0



We calculate terms in parentheses: -(9(12n-5)), so:

9(12n-5)

We multiply parentheses

108n-45

Back to the equation:

-(108n-45)



We get rid of parentheses

-45n-108n+45+81=0

We add all the numbers together, and all the variables

-153n+126=0

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

-153n=-126

n=-126/-153

n=14/17

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