3n-8=31-n

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Solution for 3n-8=31-n equation: 



3n-8=31-n

We move all terms to the left:

3n-8-(31-n)=0

We add all the numbers together, and all the variables

3n-(-1n+31)-8=0

We get rid of parentheses

3n+1n-31-8=0

We add all the numbers together, and all the variables

4n-39=0

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

4n=39

n=39/4

n=9+3/4

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