0.2=(x-20)/x

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Solution for 0.2=(x-20)/x equation: 



0.2=(x-20)/x

We move all terms to the left:

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



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We multiply all the terms by the denominator


-((x-20)+(0.2)*x)=0



We calculate terms in parentheses: -((x-20)+(0.2)*x), so:

(x-20)+(0.2)*x

We multiply parentheses

(x-20)+0.2x

We get rid of parentheses

x+0.2x-20

We add all the numbers together, and all the variables

1.2x-20

Back to the equation:

-(1.2x-20)



We get rid of parentheses

-1.2x+20=0

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

-1.2x=-20

x=-20/-1.2

x=16+0.8/1.2

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