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# 8.2 Solving Two Step Equations Part 1

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### 8.2 Solving Two Step Equations Part 1

1. 1. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 8.2 Solving Two Step Equations Part One 1
2. 2. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 RECAP What are we "doing" to x in the following  examples? 2
3. 3. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 Previously, we only needed one inverse  action to isolate our unknown. Sometimes,  however, we need to do several steps to  accomplish the same goal. 3
4. 4. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 Example: 3x ­ 4 = 5 Let's unravel the LHS. What are we "doing"  to x. 4
5. 5. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 Visualize... E.g. Solve: 3x ­ 4 = 5          1 ­1 ­x x 5
6. 6. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 Visualize... E.g. Solve: 3x ­ 4 = 5          1 ­1 ­x x 6
7. 7. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 Let's check! 7
8. 8. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 Algebraically... Solve: 3x ­ 4 = 5 Check: 8
9. 9. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 Algebraically... Solve: 5x ­ 3x = 10 Check: 9
10. 10. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 Algebraically... Solve: 4 ­ x = 8 Check: 10
11. 11. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 Solve the following:  ­4.1 = ­2.4 ­ 2x   11
12. 12. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 Solve the following: 12
13. 13. 8.2 Solving Linear Equations ­ Two Step Part 1 February 18, 2014 Solve the following: 13