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y- czepiec
2x+ 3y= 43/ * (-3)
3x+ 2y= 57/ * 2
-6x -9y= - 129
6x +4 y= 114
------------------------
-5y= -15 / : (-5)
y= 3
2x + 3y= 43
2x+ 9= 43 / -9
2x= 34/ :2
x= 17
Odp: Za 1 spódnice należy zapłacić 17 grajcarów, a za 1 czepiec 3 grajcary.