x/(3.5+x)=0.4

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Solution for x/(3.5+x)=0.4 equation: 



x/(3.5+x)=0.4

We move all terms to the left:

x/(3.5+x)-(0.4)=0



Domain of the equation: (3.5+x)!=0

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

x!=-3.5

x∈R



We add all the numbers together, and all the variables

x/(x+3.5)-(0.4)=0

We add all the numbers together, and all the variables

x/(x+3.5)-0.4=0

We multiply all the terms by the denominator


x-(0.4)*(x+3.5)=0

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