2/x=0.4/0.7

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Solution for 2/x=0.4/0.7 equation: 


D( x )

x = 0

x = 0

x = 0

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

2/x = 0.4/0.7 // - 0.4/0.7

2/x-(0.4/0.7) = 0

2/x-0.57142857 = 0

2*x^-1 = 0.57142857 // : 2

x^-1 = 0.28571429

-1 < 0

1/(x^1) = 0.28571429 // * x^1

1 = 0.28571429*x^1 // : 0.28571429

3.49999995 = x^1

x = 3.49999995

x = 3.49999995

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