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Subtract.
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Q. Subtract.
- Identify Signs: Identify the signs of the numbers involved in the subtraction.We have and . The first number is negative, and the second number is also negative, but we are subtracting a negative, which is the same as adding a positive.
- Rewrite Subtraction: Rewrite the subtraction of a negative number as the addition of a positive number.Subtracting a negative number is the same as adding its positive counterpart. So, becomes .
- Add Numbers: Add the two numbers.Now we have . Since the signs are different, we subtract the smaller absolute value from the larger absolute value and keep the sign of the larger absolute value number.Calculate:
- Determine Sign: Determine the sign of the final answer.Since has a larger absolute value than and its sign is positive (after converting the subtraction of a negative to addition), the final answer will be positive.
- Combine Results: Combine the results to find the final answer.We found that and the final answer is positive.So, .
