80/x=4

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Solution for 80/x=4 equation: 



80/x=4

We move all terms to the left:

80/x-(4)=0



Domain of the equation: x!=0

x∈R



We multiply all the terms by the denominator


-4*x+80=0

We add all the numbers together, and all the variables

-4x+80=0

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

-4x=-80

x=-80/-4

x=+20

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