Question
There was an equal number of green and grey beads in a packet at first. After 23 grey beads were taken out and 27 green beads were added into the packet, there was 13 as many grey beads as green beads. Find the number of grey beads in the packet at first.
4 m

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There was an equal number of green and grey beads in a packet at first. After 23 grey beads were taken out and 27 green beads were added into the packet, there was 13 as many grey beads as green beads. Find the number of grey beads in the packet at first.