August 2018 3 21 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

! NAPISAĆ W MIARĘ ZROZUMIALE :P ! DZIĘKUJE :D !
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