Question

(х+4 9/11 )-5 6/11=1 8/11

Answer 1

(х+4 9/11)-5 6/11=1 8/11
х+4 9/11=1 8/11+5 6/11
х+4 9/11=6 14/11
х=6 14/11-4 9/11
х=2 5/11

Проверка:
(2 5/11+4 9/11)-5 6/11=1 8/11
6 14/11-5 6/11=1 8/11
1 8/11=1 8/11