вычеслить определители второго порядка
1 2
= 2-6=-4
3 2
8 2
=16-4=12
2 2
1 8
= 2-24=-22
x=12/-4=-3
y=-22/-4=5,5
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Verified answer
1 2
= 2-6=-4
3 2
8 2
=16-4=12
2 2
1 8
= 2-24=-22
3 2
x=12/-4=-3
y=-22/-4=5,5