4n+9=45

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Solution for 4n+9=45 equation: 



4n+9=45

We move all terms to the left:

4n+9-(45)=0

We add all the numbers together, and all the variables

4n-36=0

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

4n=36

n=36/4

n=9

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