13-7n=6-3n-3n

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



13-7n=6-3n-3n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-7n+6n-6+13=0

We add all the numbers together, and all the variables

-1n+7=0

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

-n=-7

n=-7/-1

n=+7

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