40/x=80/54

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Solution for 40/x=80/54 equation: 


D( x )

x = 0

x = 0

x = 0

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

40/x = 80/54 // - 80/54

40/x-(80/54) = 0

40/x-40/27 = 0

40*x^-1 = 40/27 // : 40

x^-1 = 1/27

-1 < 0

1/(x^1) = 1/27 // * x^1

1 = 1/27*x^1 // : 1/27

27 = x^1

x = 27

x = 27

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