7+4x/1/2x - solution

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Solution for 7+4x/1/2x equation:

x in (-oo:+oo)

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

((4*x)/2)*x+7 = 0

2*x^2 = -7 // : 2

x^2 = -7/2

x belongs to the empty set

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