10000/40=3000/x

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Solution for 10000/40=3000/x equation: 



10000/40=3000/x

We move all terms to the left:

10000/40-(3000/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

-(+3000/x)+10000/40=0

We add all the numbers together, and all the variables

-(+3000/x)+250=0

We get rid of parentheses

-3000/x+250=0

We multiply all the terms by the denominator


250*x-3000=0

We add all the numbers together, and all the variables

250x-3000=0

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

250x=3000

x=3000/250

x=12

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