4=72/x

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Solution for 4=72/x equation: 



4=72/x

We move all terms to the left:

4-(72/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

-(+72/x)+4=0

We get rid of parentheses

-72/x+4=0

We multiply all the terms by the denominator


4*x-72=0

We add all the numbers together, and all the variables

4x-72=0

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

4x=72

x=72/4

x=18

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