How to subtract a negative number from a positive number, 11 - (-2)

The video tutorial explains the concept of double negatives in English and relates it to subtracting negatives in mathematics. The teacher uses the example of 'I don't not love math' to illustrate how double negatives cancel each other out. Similarly, when subtracting a negative number, it turns into an addition problem. The tutorial concludes with a recap and a final example to reinforce the concept.

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