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Evaluate .
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Q. Evaluate .
- Initial Analysis: Let's start by looking at the numbers and their signs. We have , which is negative, , which is positive, , which is negative, and , which is positive. We can group the positive and negative numbers together to make the calculation easier.
- Add Positive Numbers: Now, let's add the positive numbers together: . Calculation: .
- Add Negative Numbers: Next, let's add the negative numbers together: .Calculation: .
- Combine Results: We now have two results, from the positive numbers and from the negative numbers. Let's add these two results together.Calculation: .
- Final Calculation: To add and , we can subtract the absolute value of the smaller number from the larger number and keep the sign of the larger number.Calculation: .Since is positive, the result will be positive.
- Final Answer: We have now combined all the numbers and found the final result.The final answer is .
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