100/x=90/45

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Solution for 100/x=90/45 equation: 


D( x )

x = 0

x = 0

x = 0

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

100/x = 90/45 // - 90/45

100/x-(90/45) = 0

100/x-2 = 0

100*x^-1 = 2 // : 100

x^-1 = 1/50

-1 < 0

1/(x^1) = 1/50 // * x^1

1 = 1/50*x^1 // : 1/50

50 = x^1

x = 50

x = 50

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