2/x-7=21

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Solution for 2/x-7=21 equation: 


D( x )

x = 0

x = 0

x = 0

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

2/x-7 = 21 // - 21

2/x-21-7 = 0

2*x^-1 = 28 // : 2

x^-1 = 14

-1 < 0

1/(x^1) = 14 // * x^1

1 = 14*x^1 // : 14

1/14 = x^1

x = 1/14

x = 1/14

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