x = 3 - 2x = 6, x = 5 - 3x + 6 = 21, x = 9 - 5x - 4 = 41, x = 2 - 6x + 5 = 17, x = 4 - 5x - 3 = 17, x = 2.5 - 2x = 5, x = 7 - 4x - 15 = 13, x = 6 - 6x - 9 = 27,

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