15/5=75/x

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Solution for 15/5=75/x equation: 



15/5=75/x

We move all terms to the left:

15/5-(75/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

-(+75/x)+15/5=0

We add all the numbers together, and all the variables

-(+75/x)+3=0

We get rid of parentheses

-75/x+3=0

We multiply all the terms by the denominator


3*x-75=0

We add all the numbers together, and all the variables

3x-75=0

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

3x=75

x=75/3

x=25

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