September 2018 2 27 Report

Rozwiąż metodą PODSTAWIANIA.

1. 2x+y=3
x-2y=4

2. 2x+5y=8
x+3y=4

3. x+2y=3
2x+3y=7

4. 3x+y=5
2x+4y=8

5. -x+3y=4
2x+3y=1

6. 2x+2y=1
2x-2y=-1

7. 0,2x-0,1y=2
-2x+y=4

8. -2x+3y=0
0,4x-0,6y=0


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