21/x=12/100

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Solution for 21/x=12/100 equation: 


D( x )

x = 0

x = 0

x = 0

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

21/x = 12/100 // - 12/100

21/x-(12/100) = 0

21/x-3/25 = 0

21*x^-1 = 3/25 // : 21

x^-1 = 1/175

-1 < 0

1/(x^1) = 1/175 // * x^1

1 = 1/175*x^1 // : 1/175

175 = x^1

x = 175

x = 175

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