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Let's go

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:

 

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Emma

Emma

I am passionate about travelling and currently live and work in Paris. I like to spend my time reading, gardening, running, learning languages and exploring new places.