1、66x+ 17y=3967

25x+y= 1200 .

Answer: x=48y=47.

2、 18x+23y=2303

74x-y= 1998 .

Answer: x=27y=79.

3、44x+90y=7796

44x+y=3476 .

Answer: x=79y=48.

4、76x-66y=4082

30x-y=2940 .

Answer: x=98y=5 1.

5、67x+54y=8546

7 1x-y=5680 .

Answer: x=80y=59.

6、42x-95y=- 14 10

2 1x-y= 1575 .

Answer: x=75y=48.

7、47x-40y=853

34x-y=2006.

Answer: x=59y=48.

8、 19x-32y=- 1786

75x+y=4950 .

Answer: x=66y=95.

9、97x+24y=7202

58x-y=2900 .

Answer: x=50y=98.

10、42x+85y=6362

63x-y= 1638 .

Answer: x=26y=62.

1 1、85x-92y=-25 18

27x-y=486 .

Answer: x= 18y=44.

12、79x+40y=24 19

56x-y= 1 176 .

Answer a side case: x=2 1y= 19.

13、80x-87y=2 156

22x-y=880 .

Answer: Qiao Zhen Town Bridge x=40y= 12.

14、32x+62y=5 134

57x+y=2850 .

Answer: x=50y=57.

15、83x-49y=82

59x+y=2 183 .

Answer: x=37y=6 1.

16、9 1x+70y=5845

95x-y=4275 .

Answer: x=45y=25.

17、29x+44y=528 1

88x-y=3608 .

Answer: x=4 1y=93.

18、25x-95y=-4355

40x-y=2000 .

Answer: x=50y=59.

19、54x+68y=3284

78x+y= 1404 .

Answer: x= 18y=34.

20、70x+ 13y=3520

52x+y=2 132 .

Answer: x=4 1y=50.

2 1、48x-54y=-3 186

24x+y= 1080 .

Answer: x=45y=99.

22、36x+77y=76 19

47x-y=799 .

Answer: x= 17y=9 1.

23、 13x-42y=-27 17

3 1x-y= 1333 .

Answer: x=43y=78.

24、28x+28y=3332

52x-y=4628 .

Answer: x=89y=30.

25、62x-98y=-2564

46x-y=2024 .

Answer: x=44y=54.

26、79x-76y=-4388

26x-y=832 .

Answer: x=32y=9 1.

27、63x-40y=-82 1

42x-y=546 .

Next to the answer: x= 13y=4 1.

28、69x-96y=- 1209

42x+y=3822 .

Answer: x=9 1y=78.

29、85x+67y=7338

1 1x+y=308 .

Answer: x=28y=74.

30、78x+74y= 12928

14x+y= 12 18 .

Answer: x=87y=83.

3 1、39x+42y=533 1

59x-y=584 1 .

Answer: x=99y=35.

32、29x+ 18y= 19 16

58x+y=2320 .

Answer: x=40y=42.

33、40x+3 1y=6043

45x-y=3555 .

Answer: x=79y=93.

34、47x+50y=8598

45x+y=3780 .

Answer: x=84y=93.

35、45x-30y=- 1455

29x-y=725 .

Answer: x=25y=86.

36、 1 1x-43y =- 136 1

47x+y=799 .

Answer: x= 17y=36.

37、33x+59y=3254

94x+y= 1034 .

Answer: x= 1 1y=49.

38、89x-74y=-2735

68x+y= 1020 .

Answer: x= 15y=55.

39、94x+7 1y=75 17

78x+y=3822 .

Answer: x=49y=4 1.

40、28x-62y=-4934

46x+y=552 .

Answer: x= 12y=85.

4 1、75x+43y=8472

17x-y= 1394 .

Answer: x=82y=54.

42、4 1x-38y =- 1 180

29x+y= 1450 .

Answer: x=50y=85.

43、22x-59y=824

63x+y=4725 .

Answer: x=75y= 14.

44、95x-56y=-40 1

90x+y= 1530 .

Answer: x= 17y=36.

45、93x-52y=-852

29x+y=464 .

Answer: x= 16y=45.

46、93x+ 12y=8823

54x+y=49 14 .

Answer: x=9 1y=30.

47、2 1x-63y=84

20x+y= 1880 .

Answer: x=94y=30.

48、48x+93y=9756

38x-y=950 .

Answer: x=25y=92.

49、99x-67y=40 1 1

75x-y=5475 .

Answer: x=73y=48.

50、83x+64y=929 1

90x-y=3690 .

Answer: x=4 1y=92.