Question

ПОМОГИТЕ ПЖ СРОЧНО ОЧЕНЬ СРОЧНО

Answer 1

Ответ:

х=8 у=205

Объяснение:

27×8-у=11

216-у=11

у=216-11

у=205

Answer 2

$\displaystyle\bf\\\left \{ {{x=8} \atop {27x-y=11}} \right. \\\\\\\left \{ {{x=8} \atop {27\cdot 8-y=11}} \right. \\\\\\\left \{ {{x=8} \atop {216-y=11}} \right. \\\\\\\left \{ {{x=8} \atop {y=216-11}} \right. \\\\\\\left \{ {{x=8} \atop {y=205}} \right. \\\\\\Otvet \ : \ (8 \ ; \ 205)$