Chapters
- Solve the Systems of Equations by the Elimination Method
- Exercise 1
- Exercise 2
- Exercise 3
- Exercise 4
- Exercise 5
- Exercise 6
- Exercise 7
- Exercise 8
- Solution of exercise 1
- Solution of exercise 2
- Solution of exercise 3
- Solution of exercise 4
- Solution of exercise 5
- Solution of exercise 6
- Solution of exercise 7
- Solution of exercise 8
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Solve the Systems of Equations by the Elimination Method
Exercise 1
Exercise 2
Exercise 3
Exercise 4
Exercise 5
Exercise 6
Exercise 7
Exercise 8
Solution of exercise 1
Adding both equations:
Plugging the value of y in any of the equation above:
Solution of exercise 2
Adding both equations:
Plugging the value of x:
Solution of exercise 3
Subtracting equation 3 from equation 1:
Plugging the value of y in the first equation:
Solution of exercise 4
Adding both equations:
Solution of exercise 5
Solution of exercise 6
Plugging the value of y in the second equation:
Plugging the value of y in the third equation:
Solution of exercise 7
Adding both equations:
Plugging the value of y in the first equation:
Solution of exercise 8
Adding both equations: