Math 6

Question Analysis
This question involves a combination of subtracting and adding negative numbers in an expression.
The main focus is on correctly applying the rule for subtracting a negative number (which is equivalent to adding a positive number) and then performing the subsequent addition operations.

Key Concept Explanation
Subtracting a negative number changes the operation to addition and the sign of the number being subtracted.
Then, when adding negative numbers, we combine their magnitudes and keep the negative sign.

Step-by-Step Solution
First, for (-5) - (-3), subtracting -3 is the same as adding 3, so (-5) - (-3)= -5 + 3 = -2 (since 

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