August 2018 1 20 Report
Rozwiąż układy równań metodą postawiania :

a) x + 3y = 3
x - y = 5

b) 2x - y = 10
x + 5y = -17

c) 3m + n = 9
2m - 5n = -11

d) ½x - 2y = 8
2x + 5y = 6

e) ½x - ¾y = 0
⅔x + 1¼y = 9

f) 3x + 4y = 1⅔
6x + 3y = 1¼

! PROSZE W MIARĘ ZROZUMIALE :P ! DZIĘKUJE . :D !
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