50=100*x/(100+x)

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Solution for 50=100*x/(100+x) equation: 



50=100x/(100+x)

We move all terms to the left:

50-(100x/(100+x))=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

-(100x/(x+100))+50=0

We multiply all the terms by the denominator


-(100x+50*(x+100))=0



We calculate terms in parentheses: -(100x+50*(x+100)), so:

100x+50*(x+100)

We multiply parentheses

100x+50x+5000

We add all the numbers together, and all the variables

150x+5000

Back to the equation:

-(150x+5000)



We get rid of parentheses

-150x-5000=0

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

-150x=5000

x=5000/-150

x=-33+1/3

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