October 2018 1 27 Report

daje naj

A

{x-y= -2

{3x-y=x+1

b

{3x+2y=1

{5x+4y=3

c

{x+10y=20

{7x+5y=10

odpowiedzi

a

x= 3

y=5

b

x=-1

y=2

c

x=0

y=2


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