9+4n=15n-30

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Solution for 9+4n=15n-30 equation: 



9+4n=15n-30

We move all terms to the left:

9+4n-(15n-30)=0

We get rid of parentheses

4n-15n+30+9=0

We add all the numbers together, and all the variables

-11n+39=0

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

-11n=-39

n=-39/-11

n=3+6/11

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