September 2018 1 19 Report

prosze o pomoc z matematyki:

zad. Rozwiąż układy równań:

a)

3x-2y=5

-2x+6y=9

b)

3-3x=3y+2

y+5=4x-3

c)

-7=5x-3y

3y-5x=o

d)

6x=10-4y

2-⅖y-3/5x=0


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