Zad.1
A=9-6*6/2*6-3=-3
Zad.2
2x-y=8
x+3y= -3
x=-3-3y
2*(-3-3y) -y =8
-6-7y=8
7y=-14
y=-2
x=-3=6=3
Zad.3
3x+2y=6
2x+y=5 |*(-2)
-4x-2y=-10
-x=-4
x=4
2y=6-3x
2y=-6
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Zad.1
A=9-6*6/2*6-3=-3
Zad.2
2x-y=8
x+3y= -3
x=-3-3y
2*(-3-3y) -y =8
-6-7y=8
7y=-14
y=-2
x=-3=6=3
Zad.3
3x+2y=6
2x+y=5 |*(-2)
3x+2y=6
-4x-2y=-10
-x=-4
x=4
2y=6-3x
2y=-6