7n-1=31

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Solution for 7n-1=31 equation: 



7n-1=31

We move all terms to the left:

7n-1-(31)=0

We add all the numbers together, and all the variables

7n-32=0

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

7n=32

n=32/7

n=4+4/7

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