7/(x-9)=16/(x-9)

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Solution for 7/(x-9)=16/(x-9) equation: 


D( x )

x-9 = 0

x-9 = 0

x-9 = 0

x-9 = 0 // + 9

x = 9

x in (-oo:9) U (9:+oo)

7/(x-9) = 16/(x-9) // - 16/(x-9)

7/(x-9)-(16/(x-9)) = 0

7/(x-9)-16*(x-9)^-1 = 0

7/(x-9)-16/(x-9) = 0

7-16 = 0

-9 = 0

-9/(x-9) = 0

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

-9 = 0

x belongs to the empty set

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