42+6n=-6(7-2n)+6n

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Solution for 42+6n=-6(7-2n)+6n equation: 



42+6n=-6(7-2n)+6n

We move all terms to the left:

42+6n-(-6(7-2n)+6n)=0

We add all the numbers together, and all the variables

6n-(-6(-2n+7)+6n)+42=0



We calculate terms in parentheses: -(-6(-2n+7)+6n), so:

-6(-2n+7)+6n

We add all the numbers together, and all the variables

6n-6(-2n+7)

We multiply parentheses

6n+12n-42

We add all the numbers together, and all the variables

18n-42

Back to the equation:

-(18n-42)



We get rid of parentheses

6n-18n+42+42=0

We add all the numbers together, and all the variables

-12n+84=0

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

-12n=-84

n=-84/-12

n=+7

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