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Integers, SM-Bank 046

Evaluate the following.  (3 marks)

  1. `15 + (-8)`
  2. `-7 + 4`
  3. `-7 + 5 + (-2)`
Show Answers Only

a.   `7`   b.   `-3`   c.   `-4`

Show Worked Solution

a.   `15 + (-8) = 15-8 = 7`

b.   `-7 + 4 = -3`

c.   `-7 + 5 + (-2) = -7 + 5-2 = -4`