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# 8.4 Solving Linear Equations with Unknowns on Both Sides

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### 8.4 Solving Linear Equations with Unknowns on Both Sides

1. 1. 8.4 Solving Linear Equations with Unknowns on Both Sides February 27, 2014 Warm­up One of Mr. Goetz's students solved the question below. ­2x ­ 2 = 10     ­ 2x = 8  x = 4 Is the student correct? If not fix the mistakes. 1
2. 2. 8.4 Solving Linear Equations with Unknowns on Both Sides February 27, 2014 8.4 Solving Linear Equations with  Unknowns on Both Sides 2
3. 3. 8.4 Solving Linear Equations with Unknowns on Both Sides February 27, 2014 Here's the Situation... Solve: 6x = 3x ­ 9 What's the Problem? 3
4. 4. 8.4 Solving Linear Equations with Unknowns on Both Sides February 27, 2014 Here's the Situation... Solve: 6x = 3x ­ 9 4
5. 5. 8.4 Solving Linear Equations with Unknowns on Both Sides February 27, 2014 Solve: k ­ 8 = ­3k + 4 Check: 5
6. 6. 8.4 Solving Linear Equations with Unknowns on Both Sides February 27, 2014 Solve: 2y + 1 = 6y ­ 10 Check: 6
7. 7. 8.4 Solving Linear Equations with Unknowns on Both Sides February 27, 2014 Solve 4.9 ­ 6.1x = ­3.2x ­ 3.8 Check: 7
8. 8. 8.4 Solving Linear Equations with Unknowns on Both Sides February 27, 2014 Solve 4(y ­ 1) = 2y + 6 Check: 8
9. 9. 8.4 Solving Linear Equations with Unknowns on Both Sides February 27, 2014 Solve 5(2x ­ 3) + 6 = ­35 ­ 3x Check: 9
10. 10. 8.4 Solving Linear Equations with Unknowns on Both Sides February 27, 2014 Solve 2(8n + 7) = ­50 + 2(­5n + 6) Check: 10