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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

6(-3n-7)

We multiply parentheses

-18n-42

Back to the equation:

-(-18n-42)



We get rid of parentheses

-7n+18n+42+13=0

We add all the numbers together, and all the variables

11n+55=0

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

11n=-55

n=-55/11

n=-5

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