7-7n=15-7n

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Solution for 7-7n=15-7n equation: 



7-7n=15-7n

We move all terms to the left:

7-7n-(15-7n)=0

We add all the numbers together, and all the variables

-7n-(-7n+15)+7=0

We get rid of parentheses

-7n+7n-15+7=0

We add all the numbers together, and all the variables

-8!=0

There is no solution for this equation

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