28/7=15/x

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Solution for 28/7=15/x equation: 



28/7=15/x

We move all terms to the left:

28/7-(15/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

-(+15/x)+28/7=0

We add all the numbers together, and all the variables

-(+15/x)+4=0

We get rid of parentheses

-15/x+4=0

We multiply all the terms by the denominator


4*x-15=0

We add all the numbers together, and all the variables

4x-15=0

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

4x=15

x=15/4

x=3+3/4

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