6n=30+3(n-12)

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Solution for 6n=30+3(n-12) equation: 



6n=30+3(n-12)

We move all terms to the left:

6n-(30+3(n-12))=0



We calculate terms in parentheses: -(30+3(n-12)), so:

30+3(n-12)

determiningTheFunctionDomain
3(n-12)+30

We multiply parentheses

3n-36+30

We add all the numbers together, and all the variables

3n-6

Back to the equation:

-(3n-6)



We get rid of parentheses

6n-3n+6=0

We add all the numbers together, and all the variables

3n+6=0

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

3n=-6

n=-6/3

n=-2

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