Question
At first, Riordan had 23 as many stickers as Sophia. After Riordan bought another 18 stickers and Sophia lost 6 stickers, Riordan had 45 as many stickers as Sophia. Find the number of stickers Sophia had at first.
3 m

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At first, Riordan had 23 as many stickers as Sophia. After Riordan bought another 18 stickers and Sophia lost 6 stickers, Riordan had 45 as many stickers as Sophia. Find the number of stickers Sophia had at first.