16/40=22/x

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Solution for 16/40=22/x equation: 


D( x )

x = 0

x = 0

x = 0

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

16/40 = 22/x // - 22/x

16/40-(22/x) = 0

16/40-22*x^-1 = 0

-22*x^-1 = -2/5 // : -22

x^-1 = 1/55

-1 < 0

1/(x^1) = 1/55 // * x^1

1 = 1/55*x^1 // : 1/55

55 = x^1

x = 55

x = 55

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