October 2018 1 9 Report

matematyka z plusem 2 zad 3 str 99

WYZNACZ X


A)
2x-y=5

B)
1/3y=x-3

c)
3(x-y)=2x

D)

2/3x=3/4y

E)

4x+2y=1

F)

6x-2/3y=2


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