2n+9=n-30

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Solution for 2n+9=n-30 equation: 



2n+9=n-30

We move all terms to the left:

2n+9-(n-30)=0

We get rid of parentheses

2n-n+30+9=0

We add all the numbers together, and all the variables

n+39=0

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

n=-39

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