Answer:
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-x-y
x+y
- -
...............
-2x-2y
Step-by-step explanation:
Because due to subtracting this equation all signs are become opposite
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Answers & Comments
Answer:
please Mark me as brainliest.
Answer:
-x-y
x+y
- -
...............
-2x-2y
Step-by-step explanation:
Because due to subtracting this equation all signs are become opposite