Х+5/23=19/23 х-15/28=3/28 х+17/35=23/35 31/35-y=11/35 8/17+y=16/17 47/48-x=31/48 решите

1)х + 5/23 = 19/23
х = 19/23 - 5/23
х = 14/23

14/23 + 5/23 = 19/23

2) х - 15/28 = 3/28
х = 15/28 + 3/28
х = 18/28

18/28 - 15/28 = 3/28

3) х + 17/35 = 23/35
х = 23/35 - 17/35
х = 6/35

6/35 + 17/35 = 23/35

4) 31/35 - у = 11/35
у = 31/35 - 11/35
у= 20/35

31/35 - 20/35 = 11/35

5) 8/17 + у = 16/17
у = 16/17 - 8/17
у = 8/17

8/17 + 8/17 = 16/17

6) 47/48 - х = 31/48
х = 47/48 - 31 /48
х = 16/48

47/48 - 16/48 = 31/48

х + 5/23 = 19/23
х = 19/23 - 5/23
х = 14/23

14/23 + 5/23 = 19/23

                   19/23 = 19/23

х - 15/28 = 3/28
х = 15/28 + 3/28
х = 18/28

18/28 - 15/28 = 3/28

                 3/28 = 3/28

х + 17/35 = 23/35
х = 23/35 - 17/35
х = 6/35

6/35 + 17/35 = 23/35

                   23/35 = 23/35

31/35 - у = 11/35
у = 31/35 - 11/35
у= 20/35

31/35 - 20/35 = 11/35

                  11/35 = 11/35

8/17 + у = 16/17
у = 16/17 - 8/17
у = 8/17

8/17 + 8/17 = 16/17

                  16/17 = 16/17
 
47/48 - х = 31/48
х = 47/48 - 31 /48
х = 16/48

47/48 - 16/48 = 31/48

                    31/48 = 31/48