Data Sufficiency (DS) | Re: Is the number x positive?

Another approach is thesketch the cases on a number line .

Target question: Is x positive?

Statement 1: On the number line, 0 is closer to x – 1 than to x.
First, recognize that x-1 will always be to the left of x.
Second, recognize that there are 3 possible ways to place x-1 and x with relation to zero.

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