30=6(7-n)

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Solution for 30=6(7-n) equation: 



30=6(7-n)

We move all terms to the left:

30-(6(7-n))=0

We add all the numbers together, and all the variables

-(6(-1n+7))+30=0



We calculate terms in parentheses: -(6(-1n+7)), so:

6(-1n+7)

We multiply parentheses

-6n+42

Back to the equation:

-(-6n+42)



We get rid of parentheses

6n-42+30=0

We add all the numbers together, and all the variables

6n-12=0

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

6n=12

n=12/6

n=2

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