0,25х+1целая5/7+1целая5/6х-2целая1/12х
0,25х+1 5/7+1 5/6х-2 1/12х=25/100х+1 5/7х+1 10/12х-1 14/12х= 1/4х+1 5/7х-4/12х=3/12х+1 5/7х-4/12х=1 5/7х-1/12х=1 60/84х-7/84х=1 53/84х