Concept explainers
To Find: The sign of the sum of two numbers with opposite sign, without actually finding their sum.

Answer to Problem 2E
The sum of
Explanation of Solution
Given Information: The two numbers are
Method: When two numbers with the opposite sign are added, discard their respective signs and compare them to find the greater number. The sum of the original numbers carries the sign of this greater number.
Discard the sign of the two given numbers to get
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