((7500-200x)/200x)=0.3

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Solution for ((7500-200x)/200x)=0.3 equation: 



((7500-200x)/200x)=0.3

We move all terms to the left:

((7500-200x)/200x)-(0.3)=0



Domain of the equation: 200x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

((-200x+7500)/200x)-(0.3)=0

We add all the numbers together, and all the variables

((-200x+7500)/200x)-0.3=0

We multiply all the terms by the denominator


((-200x+7500)-(0.3)*200x)=0



We calculate terms in parentheses: +((-200x+7500)-(0.3)*200x), so:

(-200x+7500)-(0.3)*200x

We multiply parentheses

(-200x+7500)-60x

We get rid of parentheses

-200x-60x+7500

We add all the numbers together, and all the variables

-260x+7500

Back to the equation:

+(-260x+7500)



We get rid of parentheses

-260x+7500=0

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

-260x=-7500

x=-7500/-260

x=28+11/13

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