y=1/2(-2)-7 - solution

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Solution for y=1/2(-2)-7 equation:

y in (-oo:+oo)

y = -2*(1/2)-7 // + -2*(1/2)-7

y-(-2*(1/2))+7 = 0

y+1+7 = 0

y+8 = 0 // - 8

y = -8

y = -8

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