1/20+1/x=1/5

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Solution for 1/20+1/x=1/5 equation: 


D( x )

x = 0

x = 0

x = 0

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

1/x+1/20 = 1/5 // - 1/5

1/x+1/20-(1/5) = 0

1/x+1/20-1/5 = 0

1*x^-1 = 3/20 // : 1

x^-1 = 3/20

-1 < 0

1/(x^1) = 3/20 // * x^1

1 = 3/20*x^1 // : 3/20

20/3 = x^1

x = 20/3

x = 20/3

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