8/x+4=40/x-8

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Solution for 8/x+4=40/x-8 equation: 


D( x )

x = 0

x = 0

x = 0

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

8/x+4 = 40/x-8 // - 40/x-8

8/x-(40/x)+4+8 = 0

8/x-40*x^-1+4+8 = 0

-32*x^-1 = -12 // : -32

x^-1 = 3/8

-1 < 0

1/(x^1) = 3/8 // * x^1

1 = 3/8*x^1 // : 3/8

8/3 = x^1

x = 8/3

x = 8/3

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