1. 2.2 Solving Multi-Step Equations
Objective: SWBAT simplify Expressions Before Solving Linear Equations

2. Mini Quiz 12
Solve -8x = -4x – 12
Solve 10 = 2n + 14

3. Quick Review 1. Solve m = 45 2. Solve x = -50
3. Define additive inverse with one word.
opposite
4. Define multiplicative inverse with one word.
reciprocal

4. Solving Equations Steps: Clear the equations of fractions and decimals
Combine like terms on each side
Get all the variables to one side
Apply the correct inverse

5. Solving Equations 1. 2x + x + 12 = 78 3x + 12 = 78 - 12 - 12 3x = 66
3x = 66
x = 22

6. Solving Equations 6· 6· 2.
4x + 3x = 42
7x = 42
7 7
x = 6 ·6

7. Solving Equations 3. 4. 5. 48 3

8. Solving Equations 6. 1.2x – 3.6 + 0.3x = 2.4 12x – 36 + 3x = 24
x = 4

9. Solving Equations 3 5 -15 7. 2y + 9.75 – 7y = -5.25 8. 4 = 0.4(3d – 5)
(2x – 4) = -17 3 5
-15

10. Wrap Up Solving Multi-Step Equations
Clear the equations of fractions and decimals
Combine like terms on each side
Get all the variables to one side
Apply the correct inverse
Assignment: P. 79 #1-37 EOO, Odd, 58, 77 – 97 EOO
Write your DLUQ and answer the question:
How do you clear the fractions?