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Who can help solve this math problem?
Solution: set a toothbrush X yuan and a box of toothpaste Y yuan.

39x+2 1y=396 ①

52x+28y=5 18 ②

①×4: 156x+84y= 1584

②×3: 156x+84y= 1554

156x+84y= 156x+84y

But 1584≠ 1554

This record is wrong.

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