4000/x=3.2/2.8

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Solution for 4000/x=3.2/2.8 equation: 


D( x )

x = 0

x = 0

x = 0

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

4000/x = 3.2/2.8 // - 3.2/2.8

4000/x-(3.2/2.8) = 0

4000/x-1.14285714 = 0

4000*x^-1 = 1.14285714 // : 4000

x^-1 = 0.00028571

-1 < 0

1/(x^1) = 0.00028571 // * x^1

1 = 0.00028571*x^1 // : 0.00028571

3500.05250079 = x^1

x = 3500.05250079

x = 3500.05250079

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