100/5=28/x

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Solution for 100/5=28/x equation: 



100/5=28/x

We move all terms to the left:

100/5-(28/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

-(+28/x)+100/5=0

We add all the numbers together, and all the variables

-(+28/x)+20=0

We get rid of parentheses

-28/x+20=0

We multiply all the terms by the denominator


20*x-28=0

We add all the numbers together, and all the variables

20x-28=0

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

20x=28

x=28/20

x=1+2/5

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