Ответ:

[tex](1;2)[/tex]

Объяснение:

[tex]\begin{cases}2x+11y=24 \\ 10x-11y=-12\end{cases}[/tex]

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[tex]12x=12\ \ \ \ |:12\\\\x=1[/tex]

[tex]2x + 11y = 24\\\\2 \cdot 1 + 11y = 24\\\\2 + 11y = 24\\\\11y = 24- 2\\\\11y = 22\ \ \ |:11\\\\y = 2[/tex]

[tex](1;2)[/tex]