HOT
puzedu – all teaching materials in one place
No Result
View All Result
puzedu – all teaching materials in one place
No Result
View All Result
Home Mathematics

Solving compound equations

in Mathematics, No category
Reading Time: 9 mins read
387 12
0
Solving compound equations
549
SHARES
2.5k
VIEWS
Share on FacebookShare on Twitter

1 card                                                     

Х + 65 = 165 + 2

43 + Х = 500 : 10

X – 25 = 100 x 2

320 – X = 45 x 2

X x 5 = 280 – 250

35 : Х = 78 – 73

60 x X = 36 + 84

X : 4 = 20 x 2                                    

2 cards

42 + Х = 749 – 26

X + 100 = 500 x 2

Х – 2 = 4050 – 43

624 – Х = 238 + 300

X x 2 = 430 + 30

25 : Х = 15 : 3

Х : 10 = ( 42 + 48 ) – 83

42 x x = 36 + 48                     

3 cards

X + 20000 = 500 x 8

65 + Х = 140 : 2

48 – Х = 140 : 2 – 65

Х – 30 = 650 + 10

Х : 5 = 36 + 14

X x 30 = 280 + 320

400 : X = 4 x 2

32 x X = 25 + 7

4 cards

X + 43 = 4 x 2 + 50

86 + X = 40 x 2 + 50

X – 25 = 40 + 3 x 20

100 – X = 42 : 7 x 5

X x 5 = 20 : 4 + 10

600 : X = 4 – 1 x 2

40 x X = 50 x 2 + 20

X : 4 = 700 – 65 x 10

5 card

X + 150 = 40 x 2 + 36 x 2

41 + X = 35 x 2 x 2

X – 25 = 500 – 40 x 10

920 – X = 801 – 1 x 1

X x 7 = 5 + 150 : 5

30 x X = 200 + 2 x 5                 

X : 3 = 27 : 9 x 5

42 : Х = 90 – ( 50 + 34 )

6 card

39 + X = 42 x 2 + 5

X + 32 = ( 25 + 65 ) x 2

Х – 95 = 66 + 21 + 13

79 – X = 33 x 2 + 4 x 1

Х : 5 = ( 62 – 22) : 5

33 x X = ( 23 – 3 ) x 5 – 1

84 : Х = (65 – 60 ) + 37

X : 100 = ( 45 + 5 ) x 4

7 card

X + 4 = 60 x 2 : 4

92 + X = ( 400 + 2 ) x 2

X – 35 = ( 765 – 65 ) x 2

98 – X = 44 x 2 + 2

X x 3 = 43 + 8 x 4

36 x X = 64 : 8 x 9

X : 50 = ( 35 + 15 ) x 4

1800 : X = 36 : 4 x 60 + 60

8 card

15 + X = 7256 + 2 x 4

X + 49 = 25 x 4 x 2 + 50

X – 720 = 49 : 7 x 9

657 – X = 250 : 5 x 4

X x 23 = 150 : 3 + 19

75 x X = 30 x 6 – 30

X : 50 = 2 x 9 + 2

630 : X = 36 x 2 – 2

9 card

Х + 64 = 36 : 9 + 21

136 + X = 50 x 2 x 3

Х – 925 = 600 : 2 + 700

2000 – X = ( 1000 – 2 ) x 2

X x 8 = 820 – 45 x 4

70 x X = 131 + 36 : 4

500 : X = 25 : 5 x 10

X : 25 = 42 x 2 – 68                

10 card

X + 29 = 990 + 60 x 2

35 + X = ( 2 + 5 ) x 52

X – 728 = 2 x 24 x 10

523 – X = 21 : 3 x 10

X x 90 = 75 x 2 + 30

60 x X = 3 x 6 x 10

Х : 5 = 400 : 8 + 5

360 : X = 85 x 2 + 10

 11 card                                      

X + 409 = 65 x 3 + 700

260 + X = 700 + 6 x 5          

X – 612 = 420 : 6 x 9

2694 – X = 40 x 4 + 2

X x 30 = ( 502 + 28 ) x 3

45 x X = 20 x 5 – 10             

X : 200 = 680 – 40 x 2

560 : Х = ( 40 + 30 ) : 10

 12 card

X + 500 = 600 x 2 + 300

406 + X = 925 – 5 x 5

Х – 39 = 1800 : 2 + 33

786 – X = 32 x 5 : 2

X x 100 = 59 x 3 x 1000

810 : X = 1000- ( 60 x 3 + 10 )

60 x X = ( 30 x 2 ) x 10

X : 3 = 59 x 4 : 2

 13 card

X + 429 = 65 x 2 x 5

728 + X = 500 x 2 + 15

Х – 39 = 360 : 4 + 1

450 – Х = 720 : 8 + 60

X x 7 = ( 618 + 2 ) + 10

3 x X = 42 x 3 x 5

X : 7 = 58 x 9 + 28

650 : Х = 81 : 9 + 1

14 card

62 : Х + 38 = 40

73 + (50 : Х + 2) = 100

(100 – Х : 4 ) – 30 = 54

400 – (5 x x + 125) = 205

( 40 x X + 140 ) x 5 = 2500

5 x ( 69 – 120 : X ) = 45

(150 : Х + 50) : 5 = 73 – 53

150 : (45 : Х + 35) = 27 : 9

 15 cards                                      

(720 : Х – 2) + 40 = 128

(4 x x x + 20) + 720 = 900       

(X x 5 + 25 ) – 415 = 60

900 – (4 x X – 60) = 360       

( 42 – X – 7 ) x 30 = 420

2 x ( 36 – 52 : X ) = 20

( 40 x X – 40 ) : 4 = 30

480 : (Х : 4 + 1) = 64 : 8

16 card

( 60 : Х + 5 ) + 25 = 50

800 + ( 420 : Х – 10 ) = 1000

( 400 : Х + 5 ) – 5 = 200

1000 – ( 4500 : Х + 80 ) = 420

(54 : x + 30 ) x 2 = 72

8 x ( 36 + 4 x X ) = 480

(6 x X + 12 ) : 6 = 50

350 : (20 x X – 15) = 70

 17 card                                        

420 + (4 x X + 360) = 940

350 + (600 – 5 x X) = 450

(4 + x x 9) – 36 = 40

660 – (8 x X + 20) = 480

(4 x X + 2) x 6 = 180

9 x (4 x X + 10) = 810

(150:Х-50):5=73-53 81:(42-3хХ)=66-7х9              

 18 card

(Х : 20 + 40) – 70 = 30

64 + ( Х : 4 + 6) = 100

(64 : Х + 138) – 50 = 90

925 – (80 : Х – 15) = 900

(95 – 45 : X) x 9 = 810

6 x (20 : x – 15) = 30

(3 x X – 30) : 2 = 68 – 8

720:(Хх4-46)=150х3-90

Answers:

 1.         102; 7; 225; 230; 6; 7; 2; 160.

 2.         681; 900; 4009; 86; 230; 5; 700; 2.

 3.         2000; 5; 43; 690; 250; 20; 50; 1.

 4.          15; 44; 125; 70; 3; 300; 3; 200.

 5.         2; 99; 125; 120; 5; 7; 45; 7.

 6.         50; 148; 195; 9; 40; 3; 2; 20000.

 7.         26; 712; 1435; 8; 25; 2; 10000; 6.

 8.         7249; 201; 782; 457; 3; 2; 1000; 9.

 9.         89; 164; 1925; 4; 80; 2; 10; 400.

 10.       1081; 329; 1208; 453; 2; 3; 275; 2.

 11.       486; 470; 1242; 2532; 53; 2; 120000; 80.

 12.       1000; 494; 972; 706; 1770; 1; 10; 354.

 13.       221; 287; 130; 300; 90; 210; 3850; 65.

 14.       31; 2; 64; 14; 9; 2; 3; 3.

 15.       8; 40; 90; 150; 2; 2; 4; 236.

 16.       3; 2; 2; 9; 9; 6; 48; 1.

 17.       40; 100; 8; 20; 7; 20; 1; 5.

 18.       1200; 120; 32; 2; 9; 1; 50; 12.

Trending

Control work 1 (10th grade, basic)
Сhemistry

Control work 1 (10th grade, basic)

2.5k
Individual Math Cards for Second Grade
Mathematics

Individual Math Cards for Second Grade

2.5k
Tales, stories about family for preschoolers
Fairy tale

Tales, stories about family for preschoolers

2.5k
Realization of the educational potential of the lesson through the work with the content of educational material
Education

Realization of the educational potential of the lesson through the work with the content of educational material

2.5k
Modern Youth: Problems and Perspectives
Education

Modern Youth: Problems and Perspectives

2.5k
puzedu – all teaching materials in one place

Categories

  • Astronomy
  • Biology
  • Computer Science
  • Documents
  • Economics
  • Education
  • English language
  • Fairy tale
  • Geography
  • Geometry
  • History
  • Interests
  • Mathematics
  • Medicine
  • No category
  • Physical education
  • Physics
  • Politics
  • Psychology
  • Sociology
  • Traffic rules
  • Сhemistry
  • Contact Us

© 2022

No Result
View All Result
  • Home
  • Contact Us

© 2022

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In
wpDiscuz