Heres the answer to the question
Answer:
The sum of a and (-b) is 2
Explanation:
method 1:First, we take the negate(negative) of b to get -2. Then, we take the sum of 4 and -2 to get 2.
method 2: since adding a negative is the same as subtracting a positive, we get 4-2, which is 2.
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