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26 January, 20:10

Is the equation 3 + z=-19 true, false, open

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  1. 26 January, 20:26
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    Subtract 3 from both sides to get 3+z=-19 3+z-3=-19-3 z = - 22 So it's only true when z = - 22. This means that it's neither 100% true nor 100% false. So it's an open statement or sentence
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