7+3n=45

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Solution for 7+3n=45 equation: 



7+3n=45

We move all terms to the left:

7+3n-(45)=0

We add all the numbers together, and all the variables

3n-38=0

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

3n=38

n=38/3

n=12+2/3

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