Q. 2. Write down a pair of integers whose:2. sum is −135. difference is −12e. sum is 0d. difference is 10e. sum is 23 with one number being negative.
Combine equations to eliminate y: Add equations (1) and (2) to eliminate y. (1)+(2) gives us: x+y+x−y=−13+(−12) 2x=−25 x=2−25 x=−12.5, but we need integers, so there's a mistake.
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