williamknight4p0t8my williamknight4p0t8my 11-04-2018 Mathematics contestada Which set of expressions are not equivalent? (4a + 2) + 3 and 5 + 4a 3a + 7 +2a and 7 a + 5 0.5a + 3.5 + 4a and 3.5 + 4.5a 18a + 14 and 6a + 12 + 2 + 12a