x- cena bulki
y cena chleba
3x+y=3,30
5x+2y=6,10
y=3,30-3x
5x+2(3,30-3x)=6,10
5x+6.60-6x=6,10
-x=-50 gr\(-1)
x=50 gr
y=3,30-3*0,50
x=0,50
y=3,30-1,50
y=1,80
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x- cena bulki
y cena chleba
3x+y=3,30
5x+2y=6,10
y=3,30-3x
5x+2(3,30-3x)=6,10
y=3,30-3x
5x+6.60-6x=6,10
y=3,30-3x
-x=-50 gr\(-1)
y=3,30-3x
x=50 gr
y=3,30-3*0,50
x=0,50
y=3,30-1,50
x=0,50
y=1,80
x=0,50