.65=(x-20)/x

Solution for .65=(x-20)/x equation:

.65=(x-20)/x

We move all terms to the left:

.65-((x-20)/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-20)/x)+0.65=0

We multiply all the terms by the denominator


-((x-20)+(0.65)*x)=0


We calculate terms in parentheses: -((x-20)+(0.65)*x), so:

(x-20)+(0.65)*x

We multiply parentheses

(x-20)+0.65x

We get rid of parentheses

x+0.65x-20

We add all the numbers together, and all the variables

1.65x-20

Back to the equation:

-(1.65x-20)


We get rid of parentheses

-1.65x+20=0

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

-1.65x=-20

x=-20/-1.65

x=12+0.2/1.65