(20-x)/x=5/20

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Solution for (20-x)/x=5/20 equation: 



(20-x)/x=5/20

We move all terms to the left:

(20-x)/x-(5/20)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

(-1x+20)/x-(+5/20)=0

We get rid of parentheses

(-1x+20)/x-5/20=0

We calculate fractions


(-20x+400)/20x+(-5x)/20x=0

We multiply all the terms by the denominator


(-20x+400)+(-5x)=0

We get rid of parentheses

-20x-5x+400=0

We add all the numbers together, and all the variables

-25x+400=0

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

-25x=-400

x=-400/-25

x=+16

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