n+(-n)=18

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Solution for n+(-n)=18 equation: 



n+(-n)=18

We move all terms to the left:

n+(-n)-(18)=0

We add all the numbers together, and all the variables

n+(-1n)-18=0

We get rid of parentheses

n-1n-18=0

We add all the numbers together, and all the variables

-18!=0

There is no solution for this equation

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