Seudónimo Seudónimo
  • 26-04-2016
  • Mathematics
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How much is -21-(-8)?

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AllyCat16 AllyCat16
  • 26-04-2016
-21-(-8) first the two negatives cancel out so you get -21+8then you combine the positives and negatives (try 21-8, and then make the sum negative) In the end you get -13.
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