PayzlieC670734 PayzlieC670734
  • 28-10-2022
  • Mathematics
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Attendance 10/15 E Add class comment -2 + 9 = Your answer0p

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RileyI168168 RileyI168168
  • 28-10-2022

we have

-2+9

Remember that

9=(7+2)

substitute in the original expression

-2+(7+2)=-2+2+7=0+7=7

answer is 7

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