2-(25/x)=7

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Solution for 2-(25/x)=7 equation: 


D( x )

x = 0

x = 0

x = 0

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

2-(25/x) = 7 // - 7

2-(25/x)-7 = 0

2-25*x^-1-7 = 0

-25*x^-1 = 5 // : -25

x^-1 = -1/5

-1 < 0

1/(x^1) = -1/5 // * x^1

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

-5 = x^1

x = -5

x = -5

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