-7 + ____ = 2 please
Answers
Answered by
0
Answer:
9
Step-by-step explanation:
lets take x be the number.
-7+x= 2
x= 2-(-7)
x= 2+7
x= 9
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Answered by
0
Answer:
9
Step-by-step explanation:
Let's take the blank as x.
-7+x=2.
Commutative property of addition: x+(-7)=2
rewrite: x-7=2. Mow rearrange:
x=2+7=9.
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