2 1/3 + х = 10 1/7
х = 10 1/7 - 2 1/3
х = 10 3/21 - 2 7/21
х = 9 24/21 - 2 7/21
х = 7 17/21
2 1/3+х=10 1/7
7/3+х=71/7
х=71/7-7/3
х=213/21-49/21
х=164/21
х=7 17/21
2 1/3 + х = 10 1/7
х = 10 1/7 - 2 1/3
х = 10 3/21 - 2 7/21
х = 9 24/21 - 2 7/21
х = 7 17/21
2 1/3+х=10 1/7
7/3+х=71/7
х=71/7-7/3
х=213/21-49/21
х=164/21
х=7 17/21