2 1x+y= 1386

x=66 y=7 1

2. 15x-4 1y=754

74x-y=6956

x=94 y= 16

3.78x-55y=656

89x+y=55 18

x=62 y=76

4.29x+2 1y= 1633

3 1x-y=7 13

:x=23 y=46

5.58x-28y=2724

35x+y=3080

x=88 y=85

6.28x-63y=-2254

88x-y=2024

x=23 y=46

7.43x+50y=7064

85x+y=8330

x=98 y=57

8.58x-77y= 1 170

38x-y=2280

x=60 y=30

9.92x+83y= 1 1586

43x+y=30 10

x=70 y=62

10.99x+82y=6055

52x-y= 17 16

x=33 y=34

1 1. 15x+26y= 1729

94x+y=8554

x=9 1 y= 14

12.64x+32y=3552

56x-y=2296

x=4 1 y=29

13.94x+66y= 10524

84x-y=78 12

x=93 y=27

14.65x-79y=-58 15

89x+y=23 14

x=26 y=95

15.96x+54y=62 16

63x-y= 1953

x=3 1 y=60

16.60x-44y=-352

33x-y= 1452

x=44 y=68

17.69x-98y=-2404

2 1x+y= 1386

x=66 y=7 1

18. 15x-4 1y=754

74x-y=6956

x=94 y= 16

19.78x-55y=656

89x+y=55 18

x=62 y=76

20.29x+2 1y= 1633

3 1x-y=7 13

x=23 y=46

2 1.58x-28y=2724

35x+y=3080

x=88 y=85

22.28x-63y=-2254

88x-y=2024

x=23 y=46

23.43x+50y=7064

85x+y=8330

x=98 y=57

24.58x-77y= 1 170

38x-y=2280

x=60 y=30

25.92x+83y= 1 1586

43x+y=30 10

x=70 y=62

26.99x+82y=6055

52x-y= 17 16

x=33 y=34

27. 15x+26y= 1729

94x+y=8554

x=9 1 y= 14

28.64x+32y=3552

56x-y=2296

x=4 1 y=29

29.94x+66y= 10524

84x-y=78 12

x=93 y=27

30.65x-79y=-58 15

89x+y=23 14

x=26 y=95