7+n+n+n=11

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Solution for 7+n+n+n=11 equation: 



7+n+n+n=11

We move all terms to the left:

7+n+n+n-(11)=0

We add all the numbers together, and all the variables

3n-4=0

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

3n=4

n=4/3

n=1+1/3

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