Evaluate -9 - (-4).

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Multiple Choice

Evaluate -9 - (-4).

Explanation:
Subtracting a negative is the same as adding a positive. So -9 - (-4) becomes -9 + 4. On a number line, subtracting -4 means moving 4 steps to the right, which from -9 lands you at -5. Therefore the result is -5. If you instead treated it as subtracting a positive 4 or adding -4, you’d get -13, which isn’t the operation here.

Subtracting a negative is the same as adding a positive. So -9 - (-4) becomes -9 + 4. On a number line, subtracting -4 means moving 4 steps to the right, which from -9 lands you at -5. Therefore the result is -5. If you instead treated it as subtracting a positive 4 or adding -4, you’d get -13, which isn’t the operation here.

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