3+12/x=-5

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Solution for 3+12/x=-5 equation: 


D( x )

x = 0

x = 0

x = 0

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

12/x+3 = -5 // + 5

12/x+3+5 = 0

12*x^-1 = -8 // : 12

x^-1 = -2/3

-1 < 0

1/(x^1) = -2/3 // * x^1

1 = -2/3*x^1 // : -2/3

-3/2 = x^1

x = -3/2

x = -3/2

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