2.1/x=5/7

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Solution for 2.1/x=5/7 equation: 


D( x )

x = 0

x = 0

x = 0

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

2.1/x = 5/7 // - 5/7

2.1/x-(5/7) = 0

2.1/x-5/7 = 0

2.1*x^-1 = 5/7 // : 2.1

x^-1 = 0.34013605

-1 < 0

1/(x^1) = 0.34013605 // * x^1

1 = 0.34013605*x^1 // : 0.34013605

2.94000004 = x^1

x = 2.94000004

x = 2.94000004

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