# How do you simplify #2+-1#?

as above

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To simplify (2 + (-1)), you can combine the two numbers:

(2 + (-1) = 2 - 1 = 1)

So, (2 + (-1)) simplifies to (1).

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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.

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