5x+4y -8x -7y +9x -y
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Answer:
The answer is 6x - 4y .
Step-by-step explanation:
5x + 4y - 8x - 7y + 9x - y
= 5x + 9x -8x + 4y - 7y - y
= 14x - 8x + 4y - 8y
= 6x - 4y
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