September 2018 1 15 Report

Metoda podstawiania

1.{2x+y=8

3x+y=11

2. {x+y=9

x-y=3

3. {3x+2y=2

-3x+y=10

4. {3x+2y=5

2x+2y=2

Metada przeciwną

5. {x+4y=11

2x+5y=10

6. {4x+5y=-4

6x+7y=-6

7. {2x-11y=73

3x-4y=47

8. {-2x+5y=-10

7x-4y=8

9. {9x+8y=1

5x-6y=11


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