((x-400)/x)=0.6

Solution for ((x-400)/x)=0.6 equation:

((x-400)/x)=0.6

We move all terms to the left:

((x-400)/x)-(0.6)=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-400)/x)-0.6=0

We multiply all the terms by the denominator


((x-400)-(0.6)*x)=0


We calculate terms in parentheses: +((x-400)-(0.6)*x), so:

(x-400)-(0.6)*x

We multiply parentheses

(x-400)-0.6x

We get rid of parentheses

x-0.6x-400

We add all the numbers together, and all the variables

0.4x-400

Back to the equation:

+(0.4x-400)


We get rid of parentheses

0.4x-400=0

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

0.4x=400

x=400/0.4

x=1000