42=12/x

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Solution for 42=12/x equation: 



42=12/x

We move all terms to the left:

42-(12/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

-(+12/x)+42=0

We get rid of parentheses

-12/x+42=0

We multiply all the terms by the denominator


42*x-12=0

We add all the numbers together, and all the variables

42x-12=0

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

42x=12

x=12/42

x=2/7

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