7n+3=7n-1

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Solution for 7n+3=7n-1 equation: 



7n+3=7n-1

We move all terms to the left:

7n+3-(7n-1)=0

We get rid of parentheses

7n-7n+1+3=0

We add all the numbers together, and all the variables

4!=0

There is no solution for this equation

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