100=40/x

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Solution for 100=40/x equation: 



100=40/x

We move all terms to the left:

100-(40/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

-(+40/x)+100=0

We get rid of parentheses

-40/x+100=0

We multiply all the terms by the denominator


100*x-40=0

We add all the numbers together, and all the variables

100x-40=0

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

100x=40

x=40/100

x=2/5

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