2d+1/2=-1

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Solution for 2d+1/2=-1 equation: 


d in (-oo:+oo)

2*d+1/2 = -1 // + 1

2*d+1/2+1 = 0

2*d+3/2 = 0 // - 3/2

2*d = -3/2 // : 2

d = -3/2/2

d = -3/4

d = -3/4

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