80=640/x

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Solution for 80=640/x equation: 



80=640/x

We move all terms to the left:

80-(640/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

-(+640/x)+80=0

We get rid of parentheses

-640/x+80=0

We multiply all the terms by the denominator


80*x-640=0

We add all the numbers together, and all the variables

80x-640=0

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

80x=640

x=640/80

x=8

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