4/x=2.5

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Solution for 4/x=2.5 equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x = 2.5 // - 2.5

4/x-2.5 = 0

4*x^-1 = 2.5 // : 4

x^-1 = 0.625

-1 < 0

1/(x^1) = 0.625 // * x^1

1 = 0.625*x^1 // : 0.625

1.6 = x^1

x = 1.6

x = 1.6

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