2x = 8, x = ?, 5, 2, 4, 3, 3x = 27, x = ?, 9, 5, 8, 10, 4x = 64, x = ?, 6, 12, 16, 14, 2x + 1 = 7, x = ?, 6, 3, 4, 2, 3x + 2 = 20, x = ?, 5, 6, 3, 7, 5x = 60, x = ?, 12, 11, 10, 9, 3 + x = 9, x = ?, 6, 5, 7, 4, 2x + 14 = 20, x = ?, 4, 3, 5, 6, x + 12 = 18, x = ?, 5, 4, 7, 6, 7x - 2 = 19, x = ?, 3, 2, 4, 5, 5x = 35, x = ?, 6, 5, 8, 7, 4x - 2 = 10, x = ?, 2, 4, 3, 5, 6x = 18, x = ?, 4, 2, 3, 5, 5x + 5 = 30, x = ?, 5, 4, 6, 7, x - 10 = 20, x = ?, 11, 20, 10, 30

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