-2x/4x=1/2

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Solution for -2x/4x=1/2 equation: 


x in (-oo:+oo)

((-2*x)/4)*x = 1/2 // - 1/2

((-2*x)/4)*x-(1/2) = 0

((-2*x)/4)*x-1/2 = 0

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

x^2 = -1

x belongs to the empty set

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