# How do you simplify #-3--7#?

4

When a problem is set up that way

So the problem would be written as

Which equals 4.

You can also solve the problem on a number line

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To simplify -3 - (-7), you can rewrite the expression as the addition of the opposite of the second term:

-3 - (-7) = -3 + 7

Then, you can perform the addition:

-3 + 7 = 4

So, -3 - (-7) simplifies to 4.

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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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