Prosze o rozwiązanie układu równań ;P
100x +50y= 1500
x+y= 22
100x+50y=1500
x= 22-y
100(22-y) +50y=1500
x=22-y
2200 - 100y+ 50y= 1500
-50y=-700
y= 14
x=22-14
y=14
x=8
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100x +50y= 1500
x+y= 22
100x+50y=1500
x= 22-y
100(22-y) +50y=1500
x=22-y
2200 - 100y+ 50y= 1500
x=22-y
-50y=-700
x=22-y
y= 14
x=22-14
y=14
x=8