9/102=12/x

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Solution for 9/102=12/x equation: 


D( x )

x = 0

x = 0

x = 0

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

9/102 = 12/x // - 12/x

9/102-(12/x) = 0

9/102-12*x^-1 = 0

-12*x^-1 = -3/34 // : -12

x^-1 = 1/136

-1 < 0

1/(x^1) = 1/136 // * x^1

1 = 1/136*x^1 // : 1/136

136 = x^1

x = 136

x = 136

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