Ответ:
х=-9
Объяснение:
8x+6y-(-24)=0 при y=8
заменяем y на число 8 и раскрываем скобки
8х+6*8+24=0
8х+48+24=0
х в лево,числа в право
8х==-72
х=-72/8
х=-9
Проверяем
8*(-9)+48+24=0
-72+48+24=0
<span>My room had been cleaned by me by the time my mum came.
My morning exercises had been done by me by 7 o'clock.
Our test had been checked by our teacher before we went out.
His watch had been found by him.</span>
1. her / mine; 2. their / ours; 3. our / hers; 4. your / theirs; 5. his / yours; 6. my / theirs; 7. his / yours; 8. their / hers; 9. our / his; 10. her / ours
Нужна картинка, ты ее должна была с вопросом опубликовать