-3=z/2-23

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Solution for -3=z/2-23 equation: 


z in (-oo:+oo)

-3 = z/2-23 // - z/2-23

23-(z/2)-3 = 0

20-1/2*z = 0 // - 20

-1/2*z = -20 // : -1/2

z = -20/(-1/2)

z = 40

z = 40

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