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y - korce cebuli
2x + 3y = 0,08 | * 3
3x + 0,5y= 0,08 | (-2)
6x + 9y = 0,24
-6x - y = -0,16
8y = 0,08 | /8
y=0,01
2x + 3 *0,01 = 0,08
2x= 0,08 - 0,03
2x=0,05 | / 2
x= 0,025
Odp. korzec cebuli kosztował 1 grosz