Ответ:
7/11+(х-9/11)=5 2/11
7/11+(х-9/11)=57/11
-2/11+х=57/11
х=57/11+2/11
х=59/11 ; 5 4/11 ; 5,36
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Ответ:
7/11+(х-9/11)=5 2/11
7/11+(х-9/11)=57/11
-2/11+х=57/11
х=57/11+2/11
х=59/11 ; 5 4/11 ; 5,36