# How do you simplify #-14 - 21 #?

Two ways exist for you to consider this:

If the number is negative, you are traveling down the number line and to the LEFT.

Read this as "I borrowed $14 and then another$21" Altogether I have borrowed $35.

This can be written as TWO negative numbers added to one another:

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To simplify -14 - 21, you subtract 21 from -14:

-14 - 21 = -35

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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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