3x - 2y + 7, - 3x - 2y - 5 and - x - y + 7.
Add The following expression.
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Answer:
3x-2y+7+(-3x)-2y-5+(-x)-y+7
3x-2y+7-3x-2y-5-x-y+7
3x-3x-x-2y-2y-y+7-5+7
-x-5y+9
please mark my answer as brainliest
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