3x - 5 = 1, maka nilai x adalah, 1, 2, 3, 4, jika diketahui nilai x = 4, manakah persamaan yang benar, 2x + 5 = 13, 2x - 5 = 10, 5x + 3 = 7, 5x +2 = 14, 6x + 2 = 20, 4, 3, 2, 1, 6x + 5 = 3x - 7, -1, -2, -3, -4, 4 (x-3) = 2x + 10, 9, 10, 11, 12, 7x + 14 = 0, -2, -4, -6, -8, 9x - 27 = 0, 2, 3, 4, 5.

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