Question
Sean started with some beads at the beginning of a game. At the end of the first round of the game, he lost 4 beads to his friend Ryan but won 10 beads from his friend Daniel. At the end of the second round, he lost 7 beads to Daniel but won 6 beads from Ryan. In the end, Sean had 30 beads. How many beads did Sean have at first before the start of the game?
4 m

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Sean started with some beads at the beginning of a game. At the end of the first round of the game, he lost 4 beads to his friend Ryan but won 10 beads from his friend Daniel. At the end of the second round, he lost 7 beads to Daniel but won 6 beads from Ryan. In the end, Sean had 30 beads. How many beads did Sean have at first before the start of the game?