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Elementary Algebra |
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1. 2. |
3x + 4y = -7 2x - 3y = 18 4x - 5y = 10 3x - 2y = 4 |
3. 4. 5. |
7x - 2y = -1 4x + 5y = -19 3x + 8y = 7 4x - 3y = 23 2x + 4y = -4 3x - y = -20 |
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