0.9=100/x

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Solution for 0.9=100/x equation: 



0.9=100/x

We move all terms to the left:

0.9-(100/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

-(+100/x)+0.9=0

We get rid of parentheses

-100/x+0.9=0

We multiply all the terms by the denominator


(0.9)*x-100=0

We multiply parentheses

0.9x-100=0

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

0.9x=100

x=100/0.9

x=111+0.1/0.9

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