3+n+n+n=4n=10

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Solution for 3+n+n+n=4n=10 equation: 



3+n+n+n=4n=10

We move all terms to the left:

3+n+n+n-(4n)=0

We add all the numbers together, and all the variables

-1n+3=0

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

-n=-3

n=-3/-1

n=+3

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