20/100=0.5/x

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Solution for 20/100=0.5/x equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

20/100 = 0.5/x // - 0.5/x

20/100-(0.5/x) = 0

20/100-0.5*x^-1 = 0

-0.5*x^-1 = -1/5 // : -0.5

x^-1 = 0.4

-1 < 0

1/(x^1) = 0.4 // * x^1

1 = 0.4*x^1 // : 0.4

2.5 = x^1

x = 2.5

x = 2.5

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