Mathematics, 24.09.2019 19:30, dayanaraa61

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

Answers: 2

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Which expression is equivalent to 19x − 6x + 2 and why?
15x, because 19x − 6x + 2 = 13x + 2 =...