Question
Shiyun had a total of 123 dragonfruits and starfruits. She sold half of the starfruits and 42 dragonfruits. In the end, she had an equal number of dragonfruits and starfruits left. Find the number of dragonfruits she had at first.
4 m

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Shiyun had a total of 123 dragonfruits and starfruits. She sold half of the starfruits and 42 dragonfruits. In the end, she had an equal number of dragonfruits and starfruits left. Find the number of dragonfruits she had at first.