5/x+8=-7

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Solution for 5/x+8=-7 equation: 


D( x )

x = 0

x = 0

x = 0

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

5/x+8 = -7 // + 7

5/x+7+8 = 0

5*x^-1 = -15 // : 5

x^-1 = -3

-1 < 0

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

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

-1/3 = x^1

x = -1/3

x = -1/3

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