3n-7=13

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Solution for 3n-7=13 equation: 



3n-7=13

We move all terms to the left:

3n-7-(13)=0

We add all the numbers together, and all the variables

3n-20=0

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

3n=20

n=20/3

n=6+2/3

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