awesomeblast685 awesomeblast685 14-04-2020 Mathematics contestada What is (12.2a + 9.7b) – (18.1b – 0.2a) – (6.7a + 6.8b), simplified? A: 5.3a – 15.2b B: 5.7a – 15.2b C:–12.6a + 2.7b D: –12.6a + 3.1b
