54/100=81/x

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Solution for 54/100=81/x equation: 


D( x )

x = 0

x = 0

x = 0

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

54/100 = 81/x // - 81/x

54/100-(81/x) = 0

54/100-81*x^-1 = 0

-81*x^-1 = -27/50 // : -81

x^-1 = 1/150

-1 < 0

1/(x^1) = 1/150 // * x^1

1 = 1/150*x^1 // : 1/150

150 = x^1

x = 150

x = 150

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