№ 6. Решите уравнение: a) 12,8x = 29,44 б) \(6\frac{4}{7} + 2\frac{1}{14}x = 8\frac{1}{14}\)

a) \(12.8x = 29.44\) \(x = \frac{29.44}{12.8}\) \(x = 2.3\) б) \(6\frac{4}{7} + 2\frac{1}{14}x = 8\frac{1}{14}\) \(\frac{46}{7} + \frac{29}{14}x = \frac{113}{14}\) \(\frac{29}{14}x = \frac{113}{14} - \frac{46}{7}\) \(\frac{29}{14}x = \frac{113}{14} - \frac{92}{14}\) \(\frac{29}{14}x = \frac{21}{14}\) \(x = \frac{21}{14} \cdot \frac{14}{29}\) \(x = \frac{21}{29}\)