vorhees3341 vorhees3341 18-03-2020 Mathematics contestada which equations have equivalent expressions? Check all that are true. A. 2t + 3t = 6t B. y + y + y = y(1 + 1 + 1) C. 3(2 + x) = 6 + 3x D. 2a + 2b = 4ab E. x + 3 = 4x