August 2018 2 15 Report
Rozwiaz uklady rownan metoda przeciwnych wspolczynnikow :
a) 2x + 5y = 7
3x - 5y = 3
b) x + y = 2
x- y = 0
c) x + 2y = 9
-x - 3y = 16
d) -x + y = 5
x + y = 5
e)2x- 1,1 y = 0,7
0,5x + 1,1y = 4,3
f) x - 2y = 4
- x + 3y = 0
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