861/3=7/x

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Solution for 861/3=7/x equation: 


D( x )

x = 0

x = 0

x = 0

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

861/3 = 7/x // - 7/x

861/3-(7/x) = 0

861/3-7*x^-1 = 0

-7*x^-1 = -287 // : -7

x^-1 = 41

-1 < 0

1/(x^1) = 41 // * x^1

1 = 41*x^1 // : 41

1/41 = x^1

x = 1/41

x = 1/41

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