Wildandry Wildandry 01-06-2021 Mathematics contestada Please help. Select all expressions that are equivalent to 6x +1 - (3x - 1). A) 6x + 1 - 3x - 1 B) 6x + - 3x + 1 + 1 C)3x +2 D) 6x - 3x +1-1 E) 6x + 1 + -3x - -1