0.45=9/x

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Solution for 0.45=9/x equation: 



0.45=9/x

We move all terms to the left:

0.45-(9/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

-(+9/x)+0.45=0

We get rid of parentheses

-9/x+0.45=0

We multiply all the terms by the denominator


(0.45)*x-9=0

We multiply parentheses

0.45x-9=0

We move all terms containing x to the left, all other terms to the right

0.45x=9

x=9/0.45

x=20

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