3+v/2=-1 - solution

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Solution for 3+v/2=-1 equation:

v in (-oo:+oo)

v/2+3 = -1 // + 1

v/2+1+3 = 0

1/2*v+4 = 0 // - 4

1/2*v = -4 // : 1/2

v = -4/1/2

v = -8

v = -8

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