12. The sum of two integers is -16. If one of them is 53, find the other.
13. The sum of two integers is 65. If one of them is --31, find the other.
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12
Answer:
12. let the unknown number be x
=> 53+x = -16
=> x = -16-53 = -69
13. let the unknown number be x
=> -31+x = 65
=> x = 65+31 = 96
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6
for 12th one . I think it's the correct answer
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