Question
Wendy bought some marbles. She gave 14 of the marbles to her sister and sold 27 of the remaining marbles. After that, she bought another 39 marbles and had the same number of marbles that she bought at first. How many marbles did Wendy buy at first?
4 m

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Wendy bought some marbles. She gave 14 of the marbles to her sister and sold 27 of the remaining marbles. After that, she bought another 39 marbles and had the same number of marbles that she bought at first. How many marbles did Wendy buy at first?