30=2n+9n-2-1

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Solution for 30=2n+9n-2-1 equation: 



30=2n+9n-2-1

We move all terms to the left:

30-(2n+9n-2-1)=0

We add all the numbers together, and all the variables

-(11n-3)+30=0

We get rid of parentheses

-11n+3+30=0

We add all the numbers together, and all the variables

-11n+33=0

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

-11n=-33

n=-33/-11

n=+3

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