February 12, 2021

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

## Solve the Systems of Equations by the Elimination Method

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^{st}lesson free!## 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:

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