2. Combining Like Terms

3. Terms  Are separated by a sign (- or +)

4. How many terms are in the example?

5. Coefficient  it is the number next to the variable. You must have a variable to have a coefficient.

6. Any variable without a number in front of it has an understood coefficient of 1.

7. Constant  a number without a variable

8. Combine Like Terms

9. That is the answer…don’t do anything else!

12. 6y + 4y + 8

13. 10y + 8

14. 7n + 6y + 3 – 2n + 4

15. 5n + 6y + 7

16. 3r -2r + 5

17. r + 5

18. 4n + 6m + n - 2m + 2

19. 4m + 5n + 2

20. 2x + 7 + 5x - 4 - x

21. 6x + 3

22. What if our expression looks like this…. 6(b + 2)How could we simply this expression? Use the Distributive Property

23. Let’s practice. 4(6 + k) 4 (6) + 4 (k) 24+4k Do worksheet.

24. Challenge Problem 5(d + 3) + 9 5(d) + 5(3) + 9 5d + 15 + 9 5d + 24