-2-15=z/2

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Solution for -2-15=z/2 equation: 


z in (-oo:+oo)

-15-2 = z/2 // - z/2

-(z/2)-15-2 = 0

-1/2*z-17 = 0 // + 17

-1/2*z = 17 // : -1/2

z = 17/(-1/2)

z = -34

z = -34

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