SOLUTION: (21+17)+____ =21+(17+5)
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Question 279885: (21+17)+____ =21+(17+5)
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
(21+17)+____ =21+(17+5)
38+X=21+22
X=43-38
X=5 ANS.
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