Attendance 10/15 E Add class comment -2 + 9 = Your answer0p

asked Sep 17, 2023 75.5k views

3 votes

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4 votes

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

Trashkalmar answered Sep 22, 2023

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