(х-3/5)+5/12=19/20
х-3/5=19/20-5/12
х-3/5=57/60-25/60
х-3/5=32/60
х=32/60+3/5
х=32/60+36/60
х=68/60=1 целая 8/60=1целая 2/15
Ответ:68/60.
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(х-3/5)+5/12=19/20
х-3/5=19/20-5/12
х-3/5=57/60-25/60
х-3/5=32/60
х=32/60+3/5
х=32/60+36/60
х=68/60=1 целая 8/60=1целая 2/15
Ответ:68/60.