Сверь числа и знаки с фото.
- Реши уравнения. \(x : 2400 = 2\) \(a + 21\,000 = 100\,000\)
\(y \cdot 4 = 560\,000\) \(c - 47\,000 = 100\,000\)
\[ x : 2400 = 2 \;\Rightarrow\; x = 2 \cdot 2400 = 4800 \]
\[ y \cdot 4 = 560\,000 \;\Rightarrow\; y = 560\,000 : 4 = 140\,000 \]
\[ a + 21\,000 = 100\,000 \;\Rightarrow\; a = 100\,000 - 21\,000 = 79\,000 \]
\[ c - 47\,000 = 100\,000 \;\Rightarrow\; c = 100\,000 + 47\,000 = 147\,000 \]
Ответ: \(x = 4800\), \(y = 140\,000\), \(a = 79\,000\), \(c = 147\,000\).