9=400+x/x

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Solution for 9=400+x/x equation: 



9=400+x/x

We move all terms to the left:

9-(400+x/x)=0



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(x/x+400)+9=0

We get rid of parentheses

-x/x-400+9=0

Fractions to decimals

-400+9+1=0

We add all the numbers together, and all the variables

-390!=0

There is no solution for this equation

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