9-n-3n=3-n

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



9-n-3n=3-n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-3n+6=0

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

-3n=-6

n=-6/-3

n=+2

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