November 2018 1 10 Report
Rozwiąż układy równań.

a)  \left \{ {{x + 2y=9} \atop {y-1 =3x}} \right.
b)  \left \{ {{x-y=5} \atop {x+2y=-1}} \right.
c)  \left \{ {{x-y= 2} \atop { \frac{1}{2}x-1= \frac{1}{4}y }} \right.
d)  \left \{ {{ 5x-1=3y} \atop {1,6y-2=4-2x}} \right.
e)  \left \{ {{-x-y=2} \atop {2(3x+y)=-20}} \right.
f)  \left \{ {{4x+3y=54} \atop { \frac{1}{3}x=4(1+ \frac{1}{8}y) }} \right.


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