x-bilety normalne
y-bilety ulgowe
16x+8y=64
x+y=6|*(-8)
-8x+(-8y)=-48
------------------- +
8x=16| :8
x=2
x+y=6
2+y=6
y=6-2
y=4
x-2
y-4
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x-bilety normalne
y-bilety ulgowe
16x+8y=64
x+y=6|*(-8)
16x+8y=64
-8x+(-8y)=-48
------------------- +
8x=16| :8
x=2
16x+8y=64
x+y=6
16x+8y=64
2+y=6
y=6-2
y=4
x-2
y-4