39/40=92/x

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Solution for 39/40=92/x equation: 


D( x )

x = 0

x = 0

x = 0

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

39/40 = 92/x // - 92/x

39/40-(92/x) = 0

39/40-92*x^-1 = 0

-92*x^-1 = -39/40 // : -92

x^-1 = 39/3680

-1 < 0

1/(x^1) = 39/3680 // * x^1

1 = 39/3680*x^1 // : 39/3680

3680/39 = x^1

x = 3680/39

x = 3680/39

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