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       | 
  
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    7 + 4 = 11 2 + 15 = 17  | 
  
|  
       | 
    -4 + (-9) 
      = -(4 + 9) = -13 12 + (-43) = -(12 + 43) = -31  | 
  
case 1: The positive number is larger: Answer = Positive case 2: The negative number is larger: Answer = Negative  | 
    case 1: 14 + (-5) = 14 - 5 = 9 case 2: -19 + 7 = -(19 - 7) = -12  |