19+4n=31

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Solution for 19+4n=31 equation: 



19+4n=31

We move all terms to the left:

19+4n-(31)=0

We add all the numbers together, and all the variables

4n-12=0

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

4n=12

n=12/4

n=3

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