-13+4n=n-4

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Solution for -13+4n=n-4 equation: 



-13+4n=n-4

We move all terms to the left:

-13+4n-(n-4)=0

We get rid of parentheses

4n-n+4-13=0

We add all the numbers together, and all the variables

3n-9=0

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

3n=9

n=9/3

n=3

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