30-n=20-n

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Solution for 30-n=20-n equation: 



30-n=20-n

We move all terms to the left:

30-n-(20-n)=0

We add all the numbers together, and all the variables

-n-(-1n+20)+30=0

We add all the numbers together, and all the variables

-1n-(-1n+20)+30=0

We get rid of parentheses

-1n+1n-20+30=0

We add all the numbers together, and all the variables

10!=0

There is no solution for this equation

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