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Mathematics, 25.05.2020 20:00 iwantcandy2002

The linear combination method gives a solution of (-4, 2) for which of these systems of linear equations?
3x+ 13y - 14
6x+11ye-2
4x+ 5y - 12
8x+3y-4
5x+4y - 12
7x+By - 12
10x+3y - 8
17x+6y - 10

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