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7x - 4y = 5 9x + 8y = 13

3x + 2y = 46 2x + 3y = 39

3x + 2y = -2 5x + 8y = -60

x + 6y = 27 7x - 3y = 9

x =12 y = 5

x = 3 y = 4

x = -1 y = 2

x = 1 y = 1/2