y=1/2(-4)-1 - solution

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Solution for y=1/2(-4)-1 equation:

y in (-oo:+oo)

y = -4*(1/2)-1 // + -4*(1/2)-1

y-(-4*(1/2))+1 = 0

y+1+2 = 0

y+3 = 0 // - 3

y = -3

y = -3

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