ismaciil019 ismaciil019 16-08-2019 Mathematics contestada Combine terms: 12a + 26b -4b – 16a. (a) 4a + 22b, (b) -28a + 30b, (c) -4a + 22b, (d) 28a + 30b. Solution: 12a + 26b -4b – 16a. = 12a – 16a + 26b – 4b. = -4a + 22b.