4=3x-(72/x)

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Solution for 4=3x-(72/x) equation: 



4=3x-(72/x)

We move all terms to the left:

4-(3x-(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

-(3x-(+72/x))+4=0

We multiply all the terms by the denominator


-(3x-(+72+4*x))=0



We calculate terms in parentheses: -(3x-(+72+4*x)), so:

3x-(+72+4*x)

We add all the numbers together, and all the variables

3x-(4x+72)

We get rid of parentheses

3x-4x-72

We add all the numbers together, and all the variables

-1x-72

Back to the equation:

-(-1x-72)



We get rid of parentheses

1x+72=0

We add all the numbers together, and all the variables

x+72=0

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

x=-72

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