х-1=-1/3
х=-1/3+1
х=1-1/3
х=2/3
х-6 1/3=-3 2/3
х=-11/3+19/3
х=8//3
x-1/3=1/4
х=1/4+1/3
х=7/12
1/7+x=11
х=11-1/7
х=10 6/7
7/9+x=2 1/2
х=5/2-7/9
х=-31/18
х-1=-1/3
х=-1/3+1
х=1-1/3
х=2/3
х-6 1/3=-3 2/3
х=-11/3+19/3
х=8//3
x-1/3=1/4
х=1/4+1/3
х=7/12
1/7+x=11
х=11-1/7
х=10 6/7
7/9+x=2 1/2
х=5/2-7/9
х=-31/18