-400=-20/x

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Solution for -400=-20/x equation: 



-400=-20/x

We move all terms to the left:

-400-(-20/x)=0



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

20/x-400=0

We multiply all the terms by the denominator


-400*x+20=0

We add all the numbers together, and all the variables

-400x+20=0

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

-400x=-20

x=-20/-400

x=1/20

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