Math 6

Question Analysis
This question tests the understanding of subtracting a negative integer. The key concept is that subtracting a negative number is equivalent to adding its positive counterpart.

Key Concept Explanation
When subtracting a negative number, you change the subtraction to addition and use the positive counterpart of the number. The formula is .

Step-by-step Solution
1. Identify the numbers: The numbers are and .
2. Change the operation: Subtracting a negative number is the same as adding its positive counterpart:

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