September 2018 1 25 Report
Zadanie 4/113 Sprawdz, który układ równań spełnia para liczb (6,0).
a) 2x-y=-6
-x+y=2
b) 4x-y=5
10x-2y=11

c) 2x+y=1
x-y=5
d) 2x-3y=12

x+3y=6


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