23/40=17/x

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Solution for 23/40=17/x equation: 


D( x )

x = 0

x = 0

x = 0

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

23/40 = 17/x // - 17/x

23/40-(17/x) = 0

23/40-17*x^-1 = 0

-17*x^-1 = -23/40 // : -17

x^-1 = 23/680

-1 < 0

1/(x^1) = 23/680 // * x^1

1 = 23/680*x^1 // : 23/680

680/23 = x^1

x = 680/23

x = 680/23

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