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2. Adding integers If you think about adding integers as groups of plusses and minuses it’s not as confusing. - 9 + 6

3. Adding integers Think of the problem as nine minuses and six plusses - 9 + 6 - - - - - - - - - + + + + + +

4. Adding integers The minuses and plusses cancel each other out - 9 + 6 - - - - - - - - - + + + + + +

5. Adding integers So you’re left with three minuses - 9 + 6 - - - - - - + + + + + + - - -

6. Adding integers The answer is negative three - 9 + 6 - - - - - - + + + + + + - 3 - - -

7. Adding integers If the numbers are both minuses, just remember that minuses don’t cancel each other out. - 8 - 4

8. Adding integers This is eight negatives and four more negatives - 8 - 4 - - - - - - - - - - - -

9. Adding integers All together there are twelve negatives - 8 - 4 - - - - - - - - - - - - - - - - - - - - - - - -

10. Adding integers The answer is negative twelve - 8 - 4 - - - - - - - - - - - - - - - - - - - - - - - - - 12