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  1. 1. 1.4 ADDING INTEGERS
  2. 2. Additive inverse The opposite of a number  The additive inverse of 5 is -5
  3. 3. Adding two integers Same sign  Find the sum of the absolute values.  Use the same sign as the integers. Different sign  Find the difference of the absolute values.  Use the sign of the integer with the greater absolute value.
  4. 4. Ex 1: use a number line -3 + (-2) -6 + 2
  5. 5. Example 2:Add 1 + (-2) (-8) + 5 (-2) + (-4)5+1
  6. 6. Example 3: Evaluatec+4 c=-8 -b + 11 b = -6

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