-4(n+9)=-(-2n+12)

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Solution for -4(n+9)=-(-2n+12) equation: 



-4(n+9)=-(-2n+12)

We move all terms to the left:

-4(n+9)-(-(-2n+12))=0

We multiply parentheses

-4n-(-(-2n+12))-36=0



We calculate terms in parentheses: -(-(-2n+12)), so:

-(-2n+12)

We get rid of parentheses

2n-12

Back to the equation:

-(2n-12)



We get rid of parentheses

-4n-2n+12-36=0

We add all the numbers together, and all the variables

-6n-24=0

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

-6n=24

n=24/-6

n=-4

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