(1/x-1)-(2/7)=3

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Solution for (1/x-1)-(2/7)=3 equation: 


D( x )

x = 0

x = 0

x = 0

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

1/x-(2/7)-1 = 3 // - 3

1/x-(2/7)-3-1 = 0

1/x-2/7-3-1 = 0

1*x^-1 = 30/7 // : 1

x^-1 = 30/7

-1 < 0

1/(x^1) = 30/7 // * x^1

1 = 30/7*x^1 // : 30/7

7/30 = x^1

x = 7/30

x = 7/30

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