-9(n+9)+8=-(3n-12)-n

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Solution for -9(n+9)+8=-(3n-12)-n equation: 



-9(n+9)+8=-(3n-12)-n

We move all terms to the left:

-9(n+9)+8-(-(3n-12)-n)=0

We multiply parentheses

-9n-(-(3n-12)-n)-81+8=0



We calculate terms in parentheses: -(-(3n-12)-n), so:

-(3n-12)-n

We add all the numbers together, and all the variables

-1n-(3n-12)

We get rid of parentheses

-1n-3n+12

We add all the numbers together, and all the variables

-4n+12

Back to the equation:

-(-4n+12)



We add all the numbers together, and all the variables

-9n-(-4n+12)-73=0

We get rid of parentheses

-9n+4n-12-73=0

We add all the numbers together, and all the variables

-5n-85=0

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

-5n=85

n=85/-5

n=-17

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