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Question

Find the sum : (– 9) + 4 + 12 + (– 3) + 8
  1. 12
  2. -12
  3. 6
  4. -6


Solution

The correct option is A 12
(– 9) + 4 + 12 + (– 3)  + 8
Rearrange the positive and negative integers grouped together,
= (– 9) + (– 3) + 12 + 4 + 8
= -9 - 3 + 12 + 4 + 8
= -12 + 12 + 4 + 8
=  0 + 4 + 8
=  12
Thus, the sum of (– 9) + 4 + 12 + (– 3) + 8 is 12.

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