6n+9=13n-21-6

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Solution for 6n+9=13n-21-6 equation: 



6n+9=13n-21-6

We move all terms to the left:

6n+9-(13n-21-6)=0

We add all the numbers together, and all the variables

6n-(13n-27)+9=0

We get rid of parentheses

6n-13n+27+9=0

We add all the numbers together, and all the variables

-7n+36=0

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

-7n=-36

n=-36/-7

n=5+1/7

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