30/0.3=70/x

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Solution for 30/0.3=70/x equation: 



30/0.3=70/x

We move all terms to the left:

30/0.3-(70/x)=0



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(+70/x)+30/0.3=0

We add all the numbers together, and all the variables

-(+70/x)+100=0

We get rid of parentheses

-70/x+100=0

We multiply all the terms by the denominator


100*x-70=0

We add all the numbers together, and all the variables

100x-70=0

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

100x=70

x=70/100

x=7/10

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