Why Subtracting a Negative Equivalent to Adding a Positive

Title:
Why Subtracting a Negative Equivalent to Adding a Positive
Description:

Intuition as to why subtracting a negative number is equivalent to adding the absolute value of that number

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Video Language:
English
Duration:
01:33
http://www.youtube.com/watch?v=lBscLuttQq0
Format: Youtube
Primary
Original
Added   by None
Format: Youtube
Primary
Original