2.5/x=12.5/20.5

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Solution for 2.5/x=12.5/20.5 equation: 


D( x )

x = 0

x = 0

x = 0

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

2.5/x = 12.5/20.5 // - 12.5/20.5

2.5/x-(12.5/20.5) = 0

2.5/x-0.6097561 = 0

2.5*x^-1 = 0.6097561 // : 2.5

x^-1 = 0.24390244

-1 < 0

1/(x^1) = 0.24390244 // * x^1

1 = 0.24390244*x^1 // : 0.24390244

4.09999998 = x^1

x = 4.09999998

x = 4.09999998

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