(x-100)/x=20/100

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Solution for (x-100)/x=20/100 equation: 



(x-100)/x=20/100

We move all terms to the left:

(x-100)/x-(20/100)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

(x-100)/x-(+20/100)=0

We get rid of parentheses

(x-100)/x-20/100=0

We calculate fractions


(100x-10000)/100x+(-20x)/100x=0

We multiply all the terms by the denominator


(100x-10000)+(-20x)=0

We get rid of parentheses

100x-20x-10000=0

We add all the numbers together, and all the variables

80x-10000=0

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

80x=10000

x=10000/80

x=125

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