4n+9n=n-36

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Solution for 4n+9n=n-36 equation: 



4n+9n=n-36

We move all terms to the left:

4n+9n-(n-36)=0

We add all the numbers together, and all the variables

13n-(n-36)=0

We get rid of parentheses

13n-n+36=0

We add all the numbers together, and all the variables

12n+36=0

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

12n=-36

n=-36/12

n=-3

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