7n-n+n=7

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



7n-n+n=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

7n-7=0

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

7n=7

n=7/7

n=1

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