(-y/2)+2y=-1

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Solution for (-y/2)+2y=-1 equation:


y in (-oo:+oo)

2*y-y/2 = -1 // + 1

2*y-y/2+1 = 0

3/2*y+1 = 0 // - 1

3/2*y = -1 // : 3/2

y = -1/3/2

y = -2/3

y = -2/3

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