| 1. r + -7 = 9 | 2. x + 19 = -14 | 3. a + -6 = 9 | 4. d - 9 = -8 |
| 5. x - 18 = -4 | 6. z - 12 = -4 | 7. y - -20 = 7 | 8. y - 12 = -30 |
| 9. n + 19 = -20 | 10. x + 31 = 70 | 11. b + 14 = 12 | 12. c - 9 = -2 |
| 13. k + -47 = -21 | 14. y + 25 = -34 | 15. n + -6 = 0 | 16. k + -6 = -56 |
Answer: ______________
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