.2=(x-800)/x

Solution for .2=(x-800)/x equation:

.2=(x-800)/x

We move all terms to the left:

.2-((x-800)/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

-((x-800)/x)+0.2=0

We multiply all the terms by the denominator


-((x-800)+(0.2)*x)=0


We calculate terms in parentheses: -((x-800)+(0.2)*x), so:

(x-800)+(0.2)*x

We multiply parentheses

(x-800)+0.2x

We get rid of parentheses

x+0.2x-800

We add all the numbers together, and all the variables

1.2x-800

Back to the equation:

-(1.2x-800)


We get rid of parentheses

-1.2x+800=0

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

-1.2x=-800

x=-800/-1.2

x=666+0.8/1.2