Marybeckwith123 Marybeckwith123 Today at 7:10 AM Mathematics Answered Which expression is exactly equivalent to 5a + 3b + 4 + 7a + 9 ? Expression 1: 8a + 11b + 9 Expression 2: 12a + 3b + 13Expression 3: 5a + 10b + 13 Expression 4: 14a + 10b + 4