0.5/1=4/x

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Solution for 0.5/1=4/x equation: 


D( x )

x = 0

x = 0

x = 0

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

0.5/1 = 4/x // - 4/x

0.5/1-(4/x) = 0

0.5-4*x^-1 = 0

-4*x^-1 = -0.5 // : -4

x^-1 = 0.125

-1 < 0

1/(x^1) = 0.125 // * x^1

1 = 0.125*x^1 // : 0.125

8 = x^1

x = 8

x = 8

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