7=2/x-7

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Solution for 7=2/x-7 equation: 


D( x )

x = 0

x = 0

x = 0

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

7 = 2/x-7 // - 2/x-7

7-(2/x)+7 = 0

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

-2*x^-1 = -14 // : -2

x^-1 = 7

-1 < 0

1/(x^1) = 7 // * x^1

1 = 7*x^1 // : 7

1/7 = x^1

x = 1/7

x = 1/7

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