Предмет: Русский язык, автор: lizavolkova590

В одном баке x л воды, а в другом в 3 раза больше. В первый бак долили 5 л воды, а из второго вылили 7 л. Воды в баках стало поровну. Выясните, сколько воды было в первом баке.​

Ответы

Автор ответа: Аноним
0

Ответ: 6 л

Объяснение: 5 + х = 3х - 7

-2х = -12

х = 6

6 + 5 = 11 , (6 * 3) - 7

11 = 11

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