Explanation:
|-13| = 13
13 = 13 Option A is true
-|13| = 13
-13 = 13
-13 ≠ 13 Option B isn't true
|13| = -13
13 = -13
13 ≠ -13 Option C isn't true
-|-13| = 13
-13 ≠ 13 Option D isn't true
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