21n=31-6n

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Solution for 21n=31-6n equation: 



21n=31-6n

We move all terms to the left:

21n-(31-6n)=0

We add all the numbers together, and all the variables

21n-(-6n+31)=0

We get rid of parentheses

21n+6n-31=0

We add all the numbers together, and all the variables

27n-31=0

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

27n=31

n=31/27

n=1+4/27

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