3n-7=31

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Solution for 3n-7=31 equation: 



3n-7=31

We move all terms to the left:

3n-7-(31)=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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