11n-55-12n=3n+9

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Solution for 11n-55-12n=3n+9 equation: 



11n-55-12n=3n+9

We move all terms to the left:

11n-55-12n-(3n+9)=0

We add all the numbers together, and all the variables

-1n-(3n+9)-55=0

We get rid of parentheses

-1n-3n-9-55=0

We add all the numbers together, and all the variables

-4n-64=0

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

-4n=64

n=64/-4

n=-16

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