Question
PSLE
At first, the paperbacks in a library were placed on 22 shelves with an equal number of paperbacks on each shelf. 2 shelves were removed and the books on these shelves were placed on the remaining shelves. Because of this, the number of paperbacks on each remaining shelf increased by 7. What was the number of paperbacks on each shelf at first?
2 m

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PSLE
At first, the paperbacks in a library were placed on 22 shelves with an equal number of paperbacks on each shelf. 2 shelves were removed and the books on these shelves were placed on the remaining shelves. Because of this, the number of paperbacks on each remaining shelf increased by 7. What was the number of paperbacks on each shelf at first?