NessaLuvee NessaLuvee
  • 20-02-2017
  • Mathematics
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What is the answer to the attachment

What is the answer to the attachment class=

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Alia1111
Alia1111 Alia1111
  • 21-02-2017
student B is correct because when you take a number or others to other side of equal, the sign of that number change,see the image below.
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