x/(20000-x)=0.9

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Solution for x/(20000-x)=0.9 equation: 



x/(20000-x)=0.9

We move all terms to the left:

x/(20000-x)-(0.9)=0



Domain of the equation: (20000-x)!=0

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

-x!=-20000

x!=-20000/-1

x!=+20000

x∈R



We add all the numbers together, and all the variables

x/(-1x+20000)-(0.9)=0

We add all the numbers together, and all the variables

x/(-1x+20000)-0.9=0

We multiply all the terms by the denominator


x-(0.9)*(-1x+20000)=0

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