72/x-4=20

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Solution for 72/x-4=20 equation:



72/x-4=20
We move all terms to the left:
72/x-4-(20)=0
Domain of the equation: x!=0
x∈R
We add all the numbers together, and all the variables
72/x-24=0
We multiply all the terms by the denominator
-24*x+72=0
We add all the numbers together, and all the variables
-24x+72=0
We move all terms containing x to the left, all other terms to the right
-24x=-72
x=-72/-24
x=+3

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