2/5+1/x=1/2

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Solution for 2/5+1/x=1/2 equation: 


D( x )

x = 0

x = 0

x = 0

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

1/x+2/5 = 1/2 // - 1/2

1/x+2/5-(1/2) = 0

1/x+2/5-1/2 = 0

1*x^-1 = 1/10 // : 1

x^-1 = 1/10

-1 < 0

1/(x^1) = 1/10 // * x^1

1 = 1/10*x^1 // : 1/10

10 = x^1

x = 10

x = 10

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