1) -9/14*(2-y)+(2/7-y)= -9/7+9/14у+2/7-у= -5/14у-5/7
2)7/12*(4-y)-(y+11/12)= 7/3-7/12у-у-11/12= -1 7/12у+1 5/12
3)-(7/22+x)+3/11*(x-1/2)= -7/22-х+3/11х-3/22= -8/11х-10/22= -8/11х-5/11
4)-(2/9-x)+5/18*(2/15+x)= -2/9+х+1/27+5/18х= 1 5/18х-5/27
5)7/19*(38-y)-(-y-5)= 14-7/19у+у+5= 12/19у+19
6)-2/23*(69+y)+(-7+y)= -6-2/23у-7+у= 21/23у-13
7)9/16(4/5-y)-(-1/20-y)= 9/20-9/16у+1/20+у= 7/16у+10/20= 7/16у+1/2
8)-8/21*(7/16+y)-(1/6+y)= -1/6-8/21у-1/6-у= -1 8/21у-1/3
9)7/18*(27/28+x)+(1/4-x)= 3/8+7/18х+1/4-х= -11/18х+5/8
10)-9/28*(35/36-x)-(x+5/8)= -5/16+9/28х-х-5/8= -19/28х-15/16