Which expression is equivalent to 19x - 6x + 2 and why? 15x, because 19x - 6x + 2 = 13x + 2 = 15x 11x, because 19x - 6x + 2 = 19x - 8x = 11x 2 + 13x, because (19x - 6x) + 2 = 13x + 2 = 2 + 13x 2 - 13x, because (19x - 6x) + 2 = - 13x + 2 = 2 - 13x
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