|6 – 2| =

Explanation

The number 6 is four units to the right of 2 on the number line, so |6 – 2| = 4. Alternatively, 6 – 2 = 4, so |6 – 2| = |4|. Since 4 is four units from 0 on the number line, |4| = 4. Either way, |6 – 2| = 4.

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