reubenzone reubenzone 17-11-2019 Mathematics contestada Can you help me with these? 1: X + 5=12 2: 7x = 21 3: b - 2/3 = 5/6 4: 1/5m = 20 5: 45 = 3(x + 1) 6: 22.5 = 1.5x