October 2018 1 19 Report

Zadanie Rozwiąż układy równań.

a) 2x+y=-4

x-y=-2

b) 2x+4y=5y-1

y+5=0

c) y-3=0

3x-6y=12

d) 5x-2y=4

x+y=5

e) x+2y=4

-4x+y=2

f) y-4=0

3x-y=8


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