November 2018 1 5 Report

Proszę o rozwiązanie tych równań metodą podstawiania Plsss...

2y+x=5

-y+x=2

3x+y=2

2x-2y=10

3x+3y=6

2x+y=10

4x-2y=10

2x+2y=6

4x=6-4y

2x+3=y

3x-4y=4

5y-x=9


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