Ответ:
а)
\(y - \frac{1}{8} = \frac{2}{5}\)
\(y = \frac{2}{5} + \frac{1}{8} = \frac{16}{40} + \frac{5}{40} = \frac{21}{40}\).
б)
\(6x + 3,8 = 20,6\)
\(6x = 20,6 - 3,8 = 16,8\).
\(x = 16,8 : 6 = 2,8\).
Ответ: а) \(y = \frac{21}{40}\); б) \(x = 2,8\).
а)
\(y - \frac{1}{8} = \frac{2}{5}\)
\(y = \frac{2}{5} + \frac{1}{8} = \frac{16}{40} + \frac{5}{40} = \frac{21}{40}\).
б)
\(6x + 3,8 = 20,6\)
\(6x = 20,6 - 3,8 = 16,8\).
\(x = 16,8 : 6 = 2,8\).
Ответ: а) \(y = \frac{21}{40}\); б) \(x = 2,8\).