-4n+9=-n-n-n-n+9

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



-4n+9=-n-n-n-n+9

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-4n+4n-9+9=0

We add all the numbers together, and all the variables

=0

n=0/1

n=0

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