November 2018 1 9 Report

Rozwiąż układy równań metodą przeciwnych współczyników:


2x - y=5

x + 3y= -8

-7x - 3y= -11

5x - 6y=16

2(8y - x) - (x+y)= -15

3(x+y) - 4(x - y)= -3

x + y 2x + y
----- + ------- = 4
2 3

2x - y x+y 1

------- - -------- = - -----

4 6 6


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