19-7/x=9

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Solution for 19-7/x=9 equation: 


D( x )

x = 0

x = 0

x = 0

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

19-(7/x) = 9 // - 9

19-(7/x)-9 = 0

19-7*x^-1-9 = 0

-7*x^-1 = -10 // : -7

x^-1 = 10/7

-1 < 0

1/(x^1) = 10/7 // * x^1

1 = 10/7*x^1 // : 10/7

7/10 = x^1

x = 7/10

x = 7/10

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