3x-64= 1 1

12+8x=52

0.8x-4.2=2.2

2x+5= 10

3x- 15=75

4x+4o=320

3x+77= 122

5x- 1.6=0.6

6x-4=20

10x-0.6=2.4

500- 12x= 140

1) 66x+ 17y=3967

25x+y= 1200

Answer: x=48 y=47.

(2) 18x+23y=2303

74x-y= 1998

Answer: x=27 y=79

(3) 44x+90y=7796

44x+y=3476

Answer: x=79 y=48

⑷76x-66y = 4082

30x-y=2940

Answer: x=98 y=5 1.

(5) 67x+54y=8546

7 1x-y=5680

Answer: x=80 y=59

(6) 42x-95y=- 14 10

2 1x-y= 1575

Answer: x=75 y=48

(7) 47x-40y=853

34x-y=2006

Answer: x=59 y=48

(8) 19x-32y=- 1786

75x+y=4950

Answer: x=66 y=95

(9) 97x+24y=7202

58x-y=2900

Answer: x=50 y=98

( 10) 42x+85y=6362

63x-y= 1638

Answer: x=26 y=62

( 1 1)85x-92y =-25 18

27x-y=486

Answer: x= 18 y=44.

( 12) 79x+40y=24 19

56x-y= 1 176

Answer: x=2 1 y= 19.

( 13) 80x-87y=2 156

22x-y=880

Answer: x=40 y= 12.

( 14) 32x+62y=5 134

57x+y=2850

Answer: x=50 y=57

( 15) 83x-49y=82

59x+y=2 183

Answer: x=37 y=6 1.

( 16) 9 1x+70y=5845

95x-y=4275

Answer: x=45 y=25.

( 17) 29x+44y=528 1

88x-y=3608

Answer: x=4 1 y=93.

( 18) 25x-95y=-4355

40x-y=2000

Answer: x=50 y=59

( 19) 54x+68y=3284

78x+y= 1404

Answer: x= 18 y=34.

(20) 70x+ 13y=3520

52x+y=2 132

Answer: x=4 1 y=50.

(2 1) 48x-54y=-3 186

24x+y= 1080

Answer: x=45 y=99

(22) 36x+77y=76 19

47x-y=799

Answer: x= 17 y=9 1.

(23) 13x-42y=-27 17

3 1x-y= 1333

Answer: x=43 y=78

(24) 28x+28y=3332

52x-y=4628

Answer: x=89 y=30

(25) 62x-98y=-2564

46x-y=2024

Answer: x=44 y=54.

(26) 79x-76y=-4388

26x-y=832

Answer: x=32 y=9 1.

(27) 63x-40y=-82 1

42x-y=546

Answer: x= 13 y=4 1.

(28) 69x-96y=- 1209

42x+y=3822

Answer: x=9 1 y=78.

(29) 85x+67y=7338

1 1x+y=308

Answer: x=28 y=74

(30) 78x+74y= 12928

14x+y= 12 18

Answer: x=87 y=83.

(3 1) 39x+42y=533 1

59x-y=584 1

Answer: x=99 y=35

(32)29x+ 18y = 19 16

58x+y=2320

Answer: x=40 y=42

(33) 40x+3 1y=6043

45x-y=3555

Answer: x=79 y=93

(34) 47x+50y=8598

45x+y=3780

Answer: x=84 y=93

(35) 45x-30y=- 1455

29x-y=725

Answer: x=25 y=86

(36) 1 1x-43y =- 136 1

47x+y=799

Answer: x= 17 y=36.

(37) 33x+59y=3254

94x+y= 1034

Answer: x= 1 1 y=49.

(38) 89x-74y=-2735

68x+y= 1020

Answer: x= 15 y=55.

(39) 94x+7 1y=75 17

78x+y=3822

Answer: x=49 y=4 1.

(40) 28x-62y=-4934

46x+y=552

Answer: x= 12 y=85.

(4 1) 75x+43y=8472

17x-y= 1394

Answer: x=82 y=54.

4 1x-38y =- 1 180

29x+y= 1450

Answer: x=50 y=85

(43) 22x-59y=824

63x+y=4725

Answer: x=75 y= 14.

(44) 95x-56y=-40 1

90x+y= 1530

Answer: x= 17 y=36.

(45) 93x-52y=-852

29x+y=464

Answer: x= 16 y=45.

(46) 93x+ 12y=8823

54x+y=49 14

Answer: x=9 1 y=30.

(47) 2 1x-63y=84

20x+y= 1880

Answer: x=94 y=30

(48) 48x+93y=9756

38x-y=950

Answer: x=25 y=92

(49) 99x-67y=40 1 1

75x-y=5475

Answer: x=73 y=48

(50) 83x+64y=929 1

90x-y=3690

Answer: x = 41y = 927 (2x-1)-3 (4x-1) = 4 (3x+2)-1;

(5y+ 1)+( 1-y)=(9y+ 1)+( 1-3y)；

20%+( 1-20%)(320-x)= 320×40%

2(x-2)+2=x+ 1

2(x-2)-3(4x- 1)= 9( 1-x)

x/3 -5 = (5-x)/2

2(x+ 1)/3 = 5(x+ 1)/6- 1

( 1/5)x+ 1 =(2x+ 1)/4

(5-2)/2 - (4+x)/3 = 1

x/3 - 1 = ( 1-x)/2

(x-2)/2 - (3x-2)/4 =- 1

1 1x+64-2x = 100-9x

15-(8-5x)=7x+(4-3x)

3(x-7)-2[9-4(2-x)]=22

3/2[2/3( 1/4x- 1)-2]-x = 2

2(x-2)-3(4x- 1)= 9( 1-x)

1 1x+64-2x = 100-9x

15-(8-5x)=7x+(4-3x)

3(x-7)-2[9-4(2-x)]=22

3/2[2/3( 1/4x- 1)-2]-x = 2

2(x-2)+2=x+ 1

1.7(2x- 1)-3(4x- 1)= 4(3x+2)- 1

2.(5y+ 1)+( 1-y)=(9y+ 1)+( 1-3y)

3.[ (- 2)-4 ]=x+2

4.20%+( 1-20%)(320-x)= 320×40%

5.2(x-2)+2=x+ 1

6.2(x-2)-3(4x- 1)= 9( 1-x)

7. 1 1x+64-2x = 100-9x

8. 15-(8-5 times) = 7 times +(4-3 times)

9.3(x-7)-2[9-4(2-x)]=22

10.3/2[2/3( 1/4x- 1)-2]-x = 2

1 1.5x+ 1-2x = 3x-2

12.3y-4=2y+ 1

13.87X* 13=5

14.7Z/93=4 1

15. 15X+863-65X=54

16.58Y*55=27489

17.2(x+2)+4=9

18.2(x+4)= 10

19.3(x-5)= 18

20.4x+8=2(x- 1)

2 1.3(x+3)=9+x

22.6(x/2+ 1)= 12

23.9(x+6)=63

24.2+x=2(x- 1/2)

25.8x+3( 1-x)=-2

26.7+x-2(x- 1)= 1

27.x/3 -5 = (5-x)/2

28.2(x+ 1)/3 = 5(x+ 1)/6- 1

29.( 1/5)x+ 1 =(2x+ 1)/4

30.(5-2)/2 - (4+x)/3 = 1

15x-8(5x+ 1.5)= 18 * 1.25+x

3X+ 189=52 1

4Y+ 1 19=22

3X* 189=5

8Z/6=458

3X+77=59

4Y-6985=8 1

87X* 13=5

7Z/93=4 1

15X+863-65X=54

58Y*55=27489

1.2(x-2)-3(4x- 1)= 9( 1-x)

2. 1 1x+64-2x = 100-9x

3. 15-(8-5x)=7x+(4-3x)

4.3(x-7)-2[9-4(2-x)]=22

5.3/2[2/3( 1/4x- 1)-2]-x = 2

6.2(x-2)+2=x+ 1

7.0.4(x-0.2)+ 1.5=0.7x-0.38

8.30x- 10( 10-x)= 100

9.4(x+2)=5(x-2)

10. 120-4(x+5)=25

1 1. 15x+863-65x=54

12. 12.3(x-2)+ 1 = x-(2x- 1)

13. 1 1x+64-2x = 100-9x

14. 14.59+x-25.3 1=0

15.x-48.32+78.5 1=80

16.820- 16x=45.5×8

17.(x-6)×7=2x

18.3x+x= 18

19.0.8+3.2=7.2

20. 12.5-3x=6.5

2 1. 1.2(x-0.64)=0.54

22.x+ 12.5=3.5x

23.8x-22.8= 1.2

24. 1\ 50x+ 10=60

25.2\ 60x-30=20

26.3\ 3^20x+50= 1 10

27.4\ 2x=5x-3

28.5\ 90= 10+x

29.6\ 90+20x=30

30.7\ 69 1+3x=700

1 2x- 10.3x= 15

2 0.52x-( 1-0.52)x=80

3 x/2+3x/2=7

4 3x+7=32-2x

5 3x+5( 138-x)=540

6 3x-7(x- 1)=3-2(x+3)

7 18x+3x-3 = 18-2(2x- 1)

8 3(20-y)=6y-4(y- 1 1)

9 -(x/4- 1)=5

10 3[4(5y- 1)-8]=6

3X+5X = 48 14X-8X = 12 6 * 5+2X = 44

20X-50 = 50 28+6X = 88 32-22X = 10

24-3X = 3 10X *(5+ 1)= 60 99X = 100-X

X+3 = 18 X-6 = 12 56-2X = 20

4y+2=6 x+32=76 3x+6= 18

16+8x=40 2x-8=8 4x-3*9=29

8x-3x= 105 x-6*5=42 x+5=7

2x+3 = 10 12x-9x = 9 6x+ 18 = 48

56x-50x=30 5x= 15 78-5x=28

32y-29=3 5x+5= 15 89x-9=80

100-20x = 20 55x-25x = 60 76y-75 = 1

23y-23 = 23 4x-20 = 0 80y+20 = 100

53x-90 = 16 2x+9x = 1 1 12y- 12 = 24

80+5x = 100 7x-8 = 6 65x+35 = 100

19y+y = 40 25-5x = 15 79y+y = 80

42x+28x = 140 3x- 1 = 8 90y-90 = 90

80y-90 = 70 78y+2y = 160 88-x = 80

9-4x = 1 20x = 40 65y-30 = 100

5 1y-y = 100 85y+ 1 =-86 45x-50 = 40

3X+ 18=52 x=34/3

4Y+ 1 1 = 22y = 1 1/4

3X 9 = 5 x = 5/27

8Z/6=48 z=36

3X+7=59 x=52/3

4Y-69=8 1 y=75/4

8X*6=5 x=5/48

7Z/9=4 y=63/7

15X+8-5X=54 x=4.6

5Y*5=27 y=27/40

8x+2= 10 x= 1

x*8=88 x= 1 1

y-90= 1 y=9 1

2x-98=2 x=50

6x*6= 12 x= 1/3

5-6=5x x=- 1/5

6*x=42 x=7

55-y=33 y=22

1 1 * 3x = 60x = 20/ 1 1

8-y=2 y=-6

1.x+2=3

2.x+32=33

3.x+6= 18

4.4+x=47

5. 19-x=8

6.98-x= 13

7.66-x= 10

8.5x= 10

9.3 times =27

10.7x=7

1 1.8x=8

12.9x=9

13. 10x= 100

14.66x=660

15.7x=49

16.2x=4

17.3x=9

18.4x= 16

19.5x=25

20.6 times =36

2 1.8x=64

22.9x=8 1

23. 10x= 100

24. 1 1x = 12 1

25. 12x= 144

26. 13x= 169

27. 14x= 196

28. 15x=225

29. 16x=256

30. 17x=289

3 1. 18x=324

32. 19x=36 1

33.20x=400

3 1.2 1x=44 1

32.22x=484

33. 1 1 1x = 1232 1

34. 1 1 1 1x = 123432 1

35. 1 1 1 1 1x = 12345432 1

36. 1 1 1 1 1 1x = 1234565432 1

37.46/x=23

38.64/x=8

39.99/x= 1 1

40. 1235467564x=0

4 1.2x+ 1= -2+x

42.4x-3(20 times) =3

43..-2(x- 1)=4

44.3X+ 189=52 1

45.4Y+ 1 19=22 5

46.3X+77=59

47.4Y-6985=8 1

48.X=0. 1

49.5 times =55.5

50.Y=50-85