1.(х-1 7/9)+2 1/12=3 3/4 2.6 5/6-(2 7/8-х)=5,375

(х-1 7/9)+2 1/12=3 3/4
х-1 7/9=3 9/12- 1 1/12
х-1 7/9=2 2/3
х=2 6/9+1 7/9
х=3 13/9
х=4 4/9
6 5/6-(2 7/8-х)=5,375 5,375=5 3/8
2 7/8-х=6 20/24-5 9/24
2 7/8-х=1 11/24
х=2 21/24-1 11/24
х=1 10/24
х=1 5/12