Answer:
Explanation:
Our task is to simplify this expression:
Recall that adding a negative is the same thing as subtracting a positive. So, you can think about this as subtracting positive 1 instead of adding negative 1. Therefore:
- 4
note that + (-) ≡ - , then
- 3 + (- 1)
= - 3 - 1
= - 4
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