August 2018 1 26 Report
Rozwiaz podane uklady rownan metoda podstawiania.

1)
-2x-y-4=0
3x+4y-1=0


2)
-x+4y+7=0
0,3x-0,4y+0,5=0

3)
-2x-4y-5=0
-6x-12y-15=0


4)
y=6-3x
3x-6=-2y

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