20/x+2

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Solution for 20/x+2 equation: 


D( x )

x = 0

x = 0

x = 0

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

20/x+2 = 0

20*x^-1 = -2 // : 20

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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