Объяснение:
[tex]\left \{ {{2x-y=4} \atop {-x+y=2}} \right. \ \ \ \ \left \{ {{y=2x-4} \atop {y=x+2}} \right..\\[/tex]
y=2x-4.
| x | 1 | 2 |
| y | -2 | 0 |.
y=x+2.
| x | -1 | 1 |
| y | 1 | 3 |.
Ответ: (6;8).
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Объяснение:
[tex]\left \{ {{2x-y=4} \atop {-x+y=2}} \right. \ \ \ \ \left \{ {{y=2x-4} \atop {y=x+2}} \right..\\[/tex]
y=2x-4.
| x | 1 | 2 |
| y | -2 | 0 |.
y=x+2.
| x | -1 | 1 |
| y | 1 | 3 |.
Ответ: (6;8).