8/x=20/4

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Solution for 8/x=20/4 equation: 


D( x )

x = 0

x = 0

x = 0

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

8/x = 20/4 // - 20/4

8/x-(20/4) = 0

8/x-5 = 0

8*x^-1 = 5 // : 8

x^-1 = 5/8

-1 < 0

1/(x^1) = 5/8 // * x^1

1 = 5/8*x^1 // : 5/8

8/5 = x^1

x = 8/5

x = 8/5

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