5/4=50/x

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Solution for 5/4=50/x equation: 


D( x )

x = 0

x = 0

x = 0

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

5/4 = 50/x // - 50/x

5/4-(50/x) = 0

5/4-50*x^-1 = 0

-50*x^-1 = -5/4 // : -50

x^-1 = 1/40

-1 < 0

1/(x^1) = 1/40 // * x^1

1 = 1/40*x^1 // : 1/40

40 = x^1

x = 40

x = 40

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