1-2n+8=9-n

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Solution for 1-2n+8=9-n equation: 



1-2n+8=9-n

We move all terms to the left:

1-2n+8-(9-n)=0

We add all the numbers together, and all the variables

-2n-(-1n+9)+1+8=0

We add all the numbers together, and all the variables

-2n-(-1n+9)+9=0

We get rid of parentheses

-2n+1n-9+9=0

We add all the numbers together, and all the variables

-n=0

n=0/-1

n=0

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