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6x + 4x - 6 = 24 + 9x
25 - 4x = 15 - 3x + 10 - x
4x + 8 = 2x + 7 + 2x - 20
6x + 4x - 6 = 24 + 9x
25 - 4x = 15 - 3x + 10 - x
4x + 8 = 2x + 7 + 2x - 20