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Mathematics, 20.05.2021 01:00 hellokitty1647

Determine whether the system has one solution, no solution, or infinitely many solutions. !Explain your answer! 1. -3x + 3y = 4
-x + y =3

2. 2x + 3y = -6
-4x - 6y = 12

3. x + y = 7
2x - 3y = -21

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