-109=2n-3(7-3n)

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Solution for -109=2n-3(7-3n) equation: 



-109=2n-3(7-3n)

We move all terms to the left:

-109-(2n-3(7-3n))=0

We add all the numbers together, and all the variables

-(2n-3(-3n+7))-109=0



We calculate terms in parentheses: -(2n-3(-3n+7)), so:

2n-3(-3n+7)

We multiply parentheses

2n+9n-21

We add all the numbers together, and all the variables

11n-21

Back to the equation:

-(11n-21)



We get rid of parentheses

-11n+21-109=0

We add all the numbers together, and all the variables

-11n-88=0

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

-11n=88

n=88/-11

n=-8

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