220/10=550/x

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Solution for 220/10=550/x equation: 


D( x )

x = 0

x = 0

x = 0

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

220/10 = 550/x // - 550/x

220/10-(550/x) = 0

220/10-550*x^-1 = 0

-550*x^-1 = -22 // : -550

x^-1 = 1/25

-1 < 0

1/(x^1) = 1/25 // * x^1

1 = 1/25*x^1 // : 1/25

25 = x^1

x = 25

x = 25

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