August 2018 1 18 Report
Rozwiąż podane układy równań metodą podstawiania.

a)x+2y=-2
2x-y=1
b)x+4y=-2
3x-8y=10
c)x-2y=3
-2x+y=0
d)2x+y=9
5x-4y=3
e)3x-2y=5
2x-y=4





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