(1000*x-4000)/1000*x=0.40

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Solution for (1000*x-4000)/1000*x=0.40 equation: 



(1000x-4000)/1000x=0.40

We move all terms to the left:

(1000x-4000)/1000x-(0.40)=0



Domain of the equation: 1000x!=0

x!=0/1000

x!=0

x∈R



We add all the numbers together, and all the variables

(1000x-4000)/1000x-(0.4)=0

We add all the numbers together, and all the variables

(1000x-4000)/1000x-0.4=0

We multiply all the terms by the denominator


(1000x-4000)-(0.4)*1000x=0

We multiply parentheses

(1000x-4000)-400x=0

We get rid of parentheses

1000x-400x-4000=0

We add all the numbers together, and all the variables

600x-4000=0

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

600x=4000

x=4000/600

x=6+2/3

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