-n-9=3-4n

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Solution for -n-9=3-4n equation: 



-n-9=3-4n

We move all terms to the left:

-n-9-(3-4n)=0

We add all the numbers together, and all the variables

-n-(-4n+3)-9=0

We add all the numbers together, and all the variables

-1n-(-4n+3)-9=0

We get rid of parentheses

-1n+4n-3-9=0

We add all the numbers together, and all the variables

3n-12=0

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

3n=12

n=12/3

n=4

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