Ответ:

103.

х-3/34=5/34

х=5/34+3/34

х=8/34=4/17

8/34-3/34=5/34

5/34=5/34

36/77-у=19/77

у=36/77-19/77

у=17/77

36/77-17/77=19/77

19/77=19/77

z+15/24=23/24

z=23/24-15/24

z=8/24=1/3

8/24+15/24=23/24

23/24=23/24

14/87+p=80/87

p=80/87-14/87

p=66/87

14/87+66/87=80/87

80/87=80/87

104.

17/35-x=8/35+3/35

17/35-x=11/35

x=17/35-11/35

x=6/35

17/35-6/35=8/35+3/35

11/35=11/35

y-17/21=19/21-16/21

y-17/21=3/21

y=3/21+17/21

y=20/21

20/21-17/21=19/21-16/21

3/21=3/21

1/7=1/7

z+35/49=41/49+39/49

z+35/49=80/49

z=80/49-35/49

z=45/49

45/49+35/49=41/49+39/49

80/49=80/49

107.

z+12/23=17/23

z=17/23-12/23

z=5/23

5/23+12/23=17/23

17/23=17/23

27/45-x=18/45+3/45

27/45-x=21/45

x=27/45-21/45

x=6/45=2/15

27/45-6/45=18/45+3/45

21/45=21/45

y-7/13=12/13-3/13

y-7/13=9/13

y=9/13+7/13

y=16/13=1 3/13

16/13-7/13=12/13-3/13

9/13=9/13

Пошаговое объяснение: