1. WARM-UP 1. + 3 = 7 2. - 5 = 8 3. 4 = 284. ÷ 3 = 5 5. 3 + 4 = 22 413 7 15 6

2. OBJECTIVE CONTENT: IWBAT solve two-step equations.

3. OBJECTIVE LANGUAGE: IWBAT show the steps to solve a two-step equation, identify orally the coefficient, variable, constant, and solution.

4. Algebraic Expressions Number8-7½ Variablexat

5. Algebraic Expressions String of both with operations connecting them.

6. Algebraic Expressions x + 5 7 – y 5x x 4a – 2 3x + 7 bh 3x 2 – 5x 3a 2 – 5a + 7 7

7. Algebraic Expressions 5x+ 3 Variable TermConstant

8. Variable Term 5x CoefficientVariable

9. ExpressionVariable TermConstantCoefficientVariable 5x + 75x 7 5 x 2a – 62a-6 2 a -7b + 1-7b 1-7 b 8 + 9s9s 8 9 s 4t 0 4 t n – 8 n-8 1 n -½ x – 2-½ x -2 -½ x

10. Algebraic Equation Two expressions set equal (=) to each other.

11. Algebraic Equations x + 5 = 2 7 – y = 1 5x = 25 x 17 = 4a – 2 5 = 3x + 7 A = bh – 5x = 2 3x + 2 = 5x - 4 7 = 10

12. Algebraic Equation Equations have an equal sign!! =

13. Two – Step Equations 5x + 3 = 38 Variable Term? 5x

14. Two – Step Equations 5x + 3 = 38 Constant? 3

15. Two – Step Equations 5x + 3 = 38 Solution? 38

16. Two – Step Equations 5x + 3 = 38 Solving a two-step equation

17. Two – Step Equations 5x + 3 = 38 Step 1: Draw a line through the equal sign LEFTRIGHT

18. Two – Step Equations 5x + 3 = 38 Step 2: Identify the variable term

19. Two – Step Equations 5x + 3 = 38 Step 3: Opposite of constant under constant and solution - 3

20. Two – Step Equations 5x + 3 = 38 - 3 5x=35

21. Two – Step Equations Step 4: Divide the Coefficient

22. Two – Step Equations 5x + 3 = 38 - 3 5x=35 55 x =7

23. Solve 4c – 5 = 19 + 5 4c=24 44 c =6

24. Solve 8 + 3y = -1 - 8 3y=-9 33 y =-3

25. Solve 7 – 2a = 15 - 7 -2a=8 -2 a =-4

26. Solve -21 = 3a – 6 + 6 -15=3a 33 -5 = a

27. Solve 17 = -11 + 4p + 11 28= 4p 4 4 7 = p

28. Solve 7w = 63 77 w = 9

29. Solve y – 9 = -15 + 9 y=-6

30. Solve -22 = -8 – s + 8 -14= -s 14 = s