Mathematics, 22.06.2021 01:00, sabrinarasull1pe6s61

Which system of equations has exactly one solution? 2 x minus 4 y = 8. x + y = 7.
3 x + y = negative 1. 6 x + 2 y = negative 2.
3 x + 3 y = 3. Negative 6 x minus 6 y = 3.
3 x minus 2 y = 4. Negative 3 x + 2 y = 4.

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Which system of equations has exactly one solution? 2 x minus 4 y = 8. x + y = 7.
3 x + y = n...