8/x-1=-40/x-7

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Solution for 8/x-1=-40/x-7 equation: 


D( x )

x = 0

x = 0

x = 0

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

8/x-1 = -40/x-7 // + -40/x-7

8/x-(-40/x)-1+7 = 0

8/x+40*x^-1-1+7 = 0

48*x^-1 = -6 // : 48

x^-1 = -1/8

-1 < 0

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

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

-8 = x^1

x = -8

x = -8

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