9/x=15/63

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Solution for 9/x=15/63 equation: 


D( x )

x = 0

x = 0

x = 0

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

9/x = 15/63 // - 15/63

9/x-(15/63) = 0

9/x-5/21 = 0

9*x^-1 = 5/21 // : 9

x^-1 = 5/189

-1 < 0

1/(x^1) = 5/189 // * x^1

1 = 5/189*x^1 // : 5/189

189/5 = x^1

x = 189/5

x = 189/5

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