9+5n=45+2n

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Solution for 9+5n=45+2n equation: 



9+5n=45+2n

We move all terms to the left:

9+5n-(45+2n)=0

We add all the numbers together, and all the variables

5n-(2n+45)+9=0

We get rid of parentheses

5n-2n-45+9=0

We add all the numbers together, and all the variables

3n-36=0

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

3n=36

n=36/3

n=12

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