Question
At first, Joseph had 23 as many coins as David. After Joseph bought another 10 coins and David lost 4 coins, Joseph had 45 as many coins as David. Find the number of coins David had at first.
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At first, Joseph had 23 as many coins as David. After Joseph bought another 10 coins and David lost 4 coins, Joseph had 45 as many coins as David. Find the number of coins David had at first.