-1/2x-8+4=7/x-4

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Solution for -1/2x-8+4=7/x-4 equation: 


D( x )

x = 0

x = 0

x = 0

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

(-1/2)*x-8+4 = 7/x-4 // - 7/x-4

(-1/2)*x-(7/x)-8+4+4 = 0

(-1/2)*x-7*x^-1-8+4+4 = 0

-1/2*x^1-7*x^-1 = 0

(-1/2*x^2-7*x^0)/(x^1) = 0 // * x^2

x^1*(-1/2*x^2-7*x^0) = 0

x^1

(-1/2)*x^2-7 = 0

(-1/2)*x^2-7 = 0

DELTA = 0^2-(-7*4*(-1/2))

DELTA = -14

DELTA < 0

x in { } 

x belongs to the empty set

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