Решите уравнение (х-1 2\23)+ 3 19\23=5 12\23 даю 80 баллов
( X - 1 ( 2/23 ) ) + 3 ( 19/23 ) = 5 ( 12/23 ) ; X - 1 ( 2/23 ) = 5 ( 12/23 ) - 3 ( 19/23 ) ; X - 1 ( 2/23 ) = 4 ( 35/23 ) - 3 ( 19/23 ) ; X - 1 ( 2/23 ) = 1 ( 16/23 ) ; X = 1 ( 16/23 ) + 1 ( 2/23 ) ; X = 2 ( 18/23 )