6+6n=3(7+7n)

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Solution for 6+6n=3(7+7n) equation: 



6+6n=3(7+7n)

We move all terms to the left:

6+6n-(3(7+7n))=0

We add all the numbers together, and all the variables

6n-(3(7n+7))+6=0



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

3(7n+7)

We multiply parentheses

21n+21

Back to the equation:

-(21n+21)



We get rid of parentheses

6n-21n-21+6=0

We add all the numbers together, and all the variables

-15n-15=0

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

-15n=15

n=15/-15

n=-1

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