y=1/2*8-1 - solution

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Solution for y=1/2*8-1 equation:

y in (-oo:+oo)

y = 8*(1/2)-1 // - 8*(1/2)-1

y-(8*(1/2))+1 = 0

y-4+1 = 0

y-3 = 0 // + 3

y = 3

y = 3

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