n+3n+9=8+1-2n-n-2n

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Solution for n+3n+9=8+1-2n-n-2n equation: 



n+3n+9=8+1-2n-n-2n

We move all terms to the left:

n+3n+9-(8+1-2n-n-2n)=0

We add all the numbers together, and all the variables

n+3n-(-5n+9)+9=0

We add all the numbers together, and all the variables

4n-(-5n+9)+9=0

We get rid of parentheses

4n+5n-9+9=0

We add all the numbers together, and all the variables

9n=0

n=0/9

n=0

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