-30=-3(-n+3)

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Solution for -30=-3(-n+3) equation: 



-30=-3(-n+3)

We move all terms to the left:

-30-(-3(-n+3))=0

We add all the numbers together, and all the variables

-(-3(-1n+3))-30=0



We calculate terms in parentheses: -(-3(-1n+3)), so:

-3(-1n+3)

We multiply parentheses

3n-9

Back to the equation:

-(3n-9)



We get rid of parentheses

-3n+9-30=0

We add all the numbers together, and all the variables

-3n-21=0

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

-3n=21

n=21/-3

n=-7

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