Question
Glen has 3 orange beads and some black beads. Then his sister gave him 9 more black beads and he has a total of 14 beads. How many black beads did he have at first?
4 m

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Glen has 3 orange beads and some black beads. Then his sister gave him 9 more black beads and he has a total of 14 beads. How many black beads did he have at first?