x/(100-x)=0.3

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Solution for x/(100-x)=0.3 equation: 



x/(100-x)=0.3

We move all terms to the left:

x/(100-x)-(0.3)=0



Domain of the equation: (100-x)!=0

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

-x!=-100

x!=-100/-1

x!=+100

x∈R



We add all the numbers together, and all the variables

x/(-1x+100)-(0.3)=0

We add all the numbers together, and all the variables

x/(-1x+100)-0.3=0

We multiply all the terms by the denominator


x-(0.3)*(-1x+100)=0

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