angelicarose
angelicarose angelicarose
  • 07-09-2018
  • Mathematics
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Can somebody Help me please?!

Can somebody Help me please class=

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laceherup23 laceherup23
  • 07-09-2018
The first one because if you add all the positives you get 4 and then if you add all the negatives you get 7 so then you do 4+(-7)= -3
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