Реши уравнение (x-12)*11=77
(x-12)*11=77 x-12=77/11 x-12=7 x=12+7 x=19 (19-12)*11=77
(х-12)*11=77 х-12=77:11 х-12=7 х=12+7 х=19 (19-12)*11=77 Ответ: х=19