x/(500+x)=0.4

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Solution for x/(500+x)=0.4 equation: 



x/(500+x)=0.4

We move all terms to the left:

x/(500+x)-(0.4)=0



Domain of the equation: (500+x)!=0

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

x!=-500

x∈R



We add all the numbers together, and all the variables

x/(x+500)-(0.4)=0

We add all the numbers together, and all the variables

x/(x+500)-0.4=0

We multiply all the terms by the denominator


x-(0.4)*(x+500)=0

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