Answer:
2
Explanation:
|a+x| /2 - |a-x| /2
Let a = -2 and x = -6
|-2+-6| /2 - |-2--6| /2
|-8| /2 - |-2+6| /2
|-8| /2 - |4| /2
Absolute value means take the positive value
8/2 - 4/2
4 -2
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