How do you subtract #-3.1 - 21.9#?
Mostly likely:
...but see below
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To subtract -3.1 from -21.9, you perform the following calculation: (-21.9 - (-3.1) = -21.9 + 3.1 = -18.8). Therefore, the result is (-18.8).
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To subtract -3.1 from -21.9, you can add the opposite of -3.1 to -21.9. The opposite of -3.1 is 3.1. Therefore, -3.1 - 21.9 = -21.9 + 3.1 = -18.8.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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