2х + 3у = 1
4х + 6у = 3
|1 3|
|3 6| 1 * 6 - 3 * 3
х₁ = ------- = ------------------ = - 3/0 = 0
|2 3| 2 * 6 - 4 * 3
|4 6|
|2 1|
|4 3| 2 * 3 - 4 * 1
x₂ = -------- = ------------------ = 2 / 0 = 0
|2 3| 2 * 6 - 4 * 3
|4 6|
Ответ: нет решения
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3 2
А = 5 0 = 3 * 0 - 2 * 5 = 3 - 10 = - 7
0 -1
В = 2 1 = 0 * 1 - (- 1) * 2 = 0 + 2 = 2
- 7 + 2 = 2 - 7 = - 5
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