-9=-7/x-9

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Solution for -9=-7/x-9 equation: 


D( x )

x = 0

x = 0

x = 0

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

-9 = -7/x-9 // + -7/x-9

9-(-7/x)-9 = 0

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

7*x^-1 = 0 // : 7

x^-1 = 0

x naleu017Cy do O

x belongs to the empty set

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