simultaneous linear equations (edexcel gcse exam...

Simultaneous Linear Equations (Edexcel GCSE Exam Questions) Q1. Solve the simultaneous equations

4x + 2y = 7 3x − 5y = −24

x = ...........................................................

y = ...........................................................

(Total for question = 4 marks)

Q2. Solve the simultaneous equations

5x + 2y = −2 3x − 5y = 11.2

x = ...........................................................

y = ...........................................................

(Total for question = 4 marks)

x5 20 4 10g 3520 2 Gx 10g 48

262 13K 13

26x

Sub for in

4C E 2g 7 I2

2 t 2g 7 92

2g 71 2

2g 9

y e 92

Sub for in5 0.4 2g 2Z t 2y 2x5 25K toy 10

2g Z Z20 2 Gx 10g 22.4

Zy 4312 12.4 y 1

212.42 5 231 0.4

K 0.4 Z

Q3. Solve the simultaneous equations

3x + 4y = 5

2x − 3y = 9

x = ...........................................................

y = ...........................................................

(Total for Question is 4 marks)

Q4. Solve the simultaneous equations

4x + 7y = 1 3x + 10y = 15

x = . . . . . . . . . . . . . . . . . . . . . .

y = . . . . . . . . . . . . . . . . . . . . . .

(Total for Question is 4 marks)

Sub for in

3 3 t4y 5x3 9x 12g 15 9 4g 5204 8x 12g 36 4g 5 9

t 17k 51 4g 4

x y 4417

g I

3

I

xD 40 702 1020 7 21 79 105

192C 95x 95

Sub for xin Tg4C 5 7g x 520 17g I

57y 1 20

73 21 3g L

7y

Q5. Solve

x = ...........................................................

y = ...........................................................

(Total for question = 4 marks)

Q6.

Solve the simultaneous equations 3x + 2y = 4 4x + 5y = 17

x ...........................................................

y ...........................................................

(Total for Question is 4 marks)

Sob for ac in8 f 12g f80

4 8xtl2y g t 12g

20 3 9k 12g 54 12g Iz 803

17k 541 31 12g I3

17k 1 t 12y 24

ye24172II 123 y

X 170317 I3

x to3 Z

Sob for in

8C 2 toy 3416 1 toy 34

x5 15 1 109 20 toy 341 1620 2 8 1 105 34 log 50

Tx 14 y 501014K7 y

x 225

Q7. Solve the simultaneous equations

4x + y = 25 x − 3y = 16

x =........................................................... y =...........................................................

(Total for Question is 3 marks) Q8. Solve the simultaneous equations

3x – 2y = 7 7x + 2y = 13

.............................................................................................................................................. (Total for Question is 3 marks)

x3 12 33 75

13k 91X 91Sub for in 13

4G y 25 2

28 ty 25 73 25 28 3

y

Sub for x in10x 20

z 2g 13x 20

10 14 2g 132 2 2g 13 14

2g I

y E

2 2 y Lz

Q9. Solve the simultaneous equations 3x + 10y = 7 x – 4y = 6

x = . . . . . . . . . . . . . . . . . . . . . . . y = . . . . . . . . . . . . . . . . . . . . . . .

(Total for Question is 3 marks) Q10. Solve the simultaneous equations

4x − 5y = 33

3x + y = 1

x = ...........................................................

y = ...........................................................

(Total for Question is 3 marks)

Sub for in

x2 Gx t 20g 14 614 t 20g 14

20 5 5x 20g 30 24 t 20g 1420g 14 24

I lol 4420g 10

a 44yI I 20

K ye t

4 tz

20 5 15xt5y 51 192C I 38

X 3819

Sub for x in x 23 2 ty I6 y I 2

y I 6

y 5 5