20/100=50/x

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Solution for 20/100=50/x equation: 


D( x )

x = 0

x = 0

x = 0

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

20/100 = 50/x // - 50/x

20/100-(50/x) = 0

20/100-50*x^-1 = 0

-50*x^-1 = -1/5 // : -50

x^-1 = 1/250

-1 < 0

1/(x^1) = 1/250 // * x^1

1 = 1/250*x^1 // : 1/250

250 = x^1

x = 250

x = 250

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