(7500-100x)/100x=0.3

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Solution for (7500-100x)/100x=0.3 equation: 



(7500-100x)/100x=0.3

We move all terms to the left:

(7500-100x)/100x-(0.3)=0



Domain of the equation: 100x!=0

x!=0/100

x!=0

x∈R



We add all the numbers together, and all the variables

(-100x+7500)/100x-(0.3)=0

We add all the numbers together, and all the variables

(-100x+7500)/100x-0.3=0

We multiply all the terms by the denominator


(-100x+7500)-(0.3)*100x=0

We multiply parentheses

(-100x+7500)-30x=0

We get rid of parentheses

-100x-30x+7500=0

We add all the numbers together, and all the variables

-130x+7500=0

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

-130x=-7500

x=-7500/-130

x=57+9/13

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