9-5(4n-8)=7n-(-9-3n)

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Solution for 9-5(4n-8)=7n-(-9-3n) equation: 



9-5(4n-8)=7n-(-9-3n)

We move all terms to the left:

9-5(4n-8)-(7n-(-9-3n))=0

We add all the numbers together, and all the variables

-5(4n-8)-(7n-(-3n-9))+9=0

We multiply parentheses

-20n-(7n-(-3n-9))+40+9=0



We calculate terms in parentheses: -(7n-(-3n-9)), so:

7n-(-3n-9)

We get rid of parentheses

7n+3n+9

We add all the numbers together, and all the variables

10n+9

Back to the equation:

-(10n+9)



We add all the numbers together, and all the variables

-20n-(10n+9)+49=0

We get rid of parentheses

-20n-10n-9+49=0

We add all the numbers together, and all the variables

-30n+40=0

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

-30n=-40

n=-40/-30

n=1+1/3

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