September 2018 1 27 Report

Rozwiąż układy równań metodą podstawiania .

3m + n = 9

2m - 5n = -11

4a - 2 = b

3a + 7b = 1,5

5x = 4 - 2y

4x + y = 3

6x - 3y = 9

x + 5y = 9,5

Dam naj ! . Proszę pmóżcie .


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