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 Algebra
Use groups of 2.
Materials: Grid paper |
Mystery Numbers |
 Use what you know about writing equations and solving systems of linear equations by graphing to solve the following problems.
| 1. |
Name two numbers whose sum is 5 and whose difference is 9. |
| 2. |
Name the two numbers: One number is twice the other, and the sum of the two numbers is -6. |
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• Lesson 2-3
