81/153=45/x

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Solution for 81/153=45/x equation: 


D( x )

x = 0

x = 0

x = 0

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

81/153 = 45/x // - 45/x

81/153-(45/x) = 0

81/153-45*x^-1 = 0

-45*x^-1 = -9/17 // : -45

x^-1 = 1/85

-1 < 0

1/(x^1) = 1/85 // * x^1

1 = 1/85*x^1 // : 1/85

85 = x^1

x = 85

x = 85

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