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x+y=32 /*(-2)
2x+4y=88
-2x-2y=-64
2x+4y=88
2y=24
y=12 tyle królików
x+12=32
x=20 tyle kur
y - liczba królików
2x+4y=88
x+y=32
2x+4y=88
x=32-y
2(32-y)+4y=88
64-2y+4y=88
-2y+4y=88-64
2y=24
y=12
x+12=32
x=32-12
x=20
y - króliki
x+y=32
2x+4y=88
y=32-x
2x+4(32-x)=88
2x+128-4x=88
y=32-x
-2x=-40
y=32-x
x=20
y=12