22/40=18/x

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Solution for 22/40=18/x equation: 


D( x )

x = 0

x = 0

x = 0

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

22/40 = 18/x // - 18/x

22/40-(18/x) = 0

22/40-18*x^-1 = 0

-18*x^-1 = -11/20 // : -18

x^-1 = 11/360

-1 < 0

1/(x^1) = 11/360 // * x^1

1 = 11/360*x^1 // : 11/360

360/11 = x^1

x = 360/11

x = 360/11

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