23=31-4n

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Solution for 23=31-4n equation: 



23=31-4n

We move all terms to the left:

23-(31-4n)=0

We add all the numbers together, and all the variables

-(-4n+31)+23=0

We get rid of parentheses

4n-31+23=0

We add all the numbers together, and all the variables

4n-8=0

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

4n=8

n=8/4

n=2

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