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Prosa AB:
a+b=2
5a+b=-2
--------------_
-4a=4
a=-1
-1+b=2
b=3
y=-x+3
Prosta BC:
x=5
Prosta AC:
a+b=2
5a+b=4
--------- _
-4a=-2
a=1/2
1/2+b=2
b=3/2
y=1/2x+3/2
Uklad:
y>-x+3
x<5
y<1/2x+3/2