3n+7=n

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Solution for 3n+7=n equation: 



3n+7=n

We move all terms to the left:

3n+7-(n)=0

We add all the numbers together, and all the variables

2n+7=0

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

2n=-7

n=-7/2

n=-3+1/2

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