13+7n=1-3(7-6n)

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Solution for 13+7n=1-3(7-6n) equation: 



13+7n=1-3(7-6n)

We move all terms to the left:

13+7n-(1-3(7-6n))=0

We add all the numbers together, and all the variables

7n-(1-3(-6n+7))+13=0



We calculate terms in parentheses: -(1-3(-6n+7)), so:

1-3(-6n+7)

determiningTheFunctionDomain
-3(-6n+7)+1

We multiply parentheses

18n-21+1

We add all the numbers together, and all the variables

18n-20

Back to the equation:

-(18n-20)



We get rid of parentheses

7n-18n+20+13=0

We add all the numbers together, and all the variables

-11n+33=0

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

-11n=-33

n=-33/-11

n=+3

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