90/100=x/(100+x)

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Solution for 90/100=x/(100+x) equation: 



90/100=x/(100+x)

We move all terms to the left:

90/100-(x/(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

-(x/(x+100))+90/100=0

We calculate fractions


(-(x*100)/100x+90x/100x=0

We can not solve this equation

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