Solve by the substitution method.y = 2x – 4
7x 5y = 14
Question 13
Solve by the substitution method.4x + 3y = 13
x + y = 4
Question 14
Solve by the elimination method.2x + 3y = 18
5x y = 11
Question 15
Solve by the elimination methods.9x + 2y = 2
21x + 6y = 4
Question 16

2 points
Question 17

2 points
Question 18

2 points
Question 19

2 points
Question 20

2 points
Question 21

2 points
Question 22

2 points
Question 23

2 points
Question 24

Question 25
Evaluate
Question 26

2 points
Question 27

2 points
Question 28

Question 29
Evaluate
Question 30
Find the determinant of
Question 31
Find the determinant of
Question 32
Solve using the substitution method.x 2y = 5
2x 4y = 1
Question 33
Solve by the substitution method.y 3x = 5
y + x = 3
Question 34
Solve using the elimination method.x 3y = 17
x + 8y = 52
Question 35
Solve using the elimination method.3x + 2y = 7
5x 2y = 1
Question 36
Solve using matrices.4x + 5y = 40
x y = 1
Question 37
Solve using matrices.3x + 5y = 4
x + 2y = 2
Question 38
Find the value of two numbers if their sum is 12 and their difference is 4.
Question 39

2 points
Question 40

2 points
Question 41

Question 42
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