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The new course will accompany you to learn math.
Solution: It takes 8x to clean the classroom, 7x to clean the contract area and 8x to clean the room.

From the meaning of the question, it is: 8x+5x+8x=46.

23x=46

x=2

8x= 16 7x= 14

Answer: It takes 16 people to clean the classroom, 14 people to clean the contract area and 16 people to clean the room.

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