Elementary Algebra |
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1. | x + y = 4 x - y = 2 |
3. | 3x - y = 8 2x - y = 2 |
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2. | 3x - 2y = 10 6x + 2y = 8 |
4. | x - 4y = -6 2x + y = 15 |
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5. | 2x - 3y = 2 5x - 4y = -2 |
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