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Find the indicated sum or difference 9-12: 9. 5+7 10. 7+(-9) 11. -5+20 12. -(-11)-7

Find the indicated sum or difference 9-12: 9. 5+7 10. 7+(-9) 11. -5+20 12. -(-11)-7
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12 votes
Find the indicated sum or difference 9-12:

9. 5+7
10. 7+(-9)
11. -5+20
12. -(-11)-7

User Oliva
by
8.2k points

1 Answer

6 votes

Answer:

7,-2,15,4

Explanation:

9. 7

10. -2

11. 15

12. 4

User Donaldh
by
8.5k points
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