September 2018 1 27 Report

rozwiaz układy równan metoda przeciwnych wspolczynikow

a)5x+3y=0

-x-2y=7

b)3u+2v=2

5u+4v=6

c)3s+5t=-6

1,5s-2t=-3

d)5=3x-y

5x-2y=7

e)x-3y=5

y+3x=-5


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