[tex]3x + \frac{7}{5} - 7x - \frac{2}{10} = x + 5 \\ 3x - 7x - x = 5 - \frac{14}{10} + \frac{2}{10} \\ - 5x = 5 - 1.4 + 0.2 \\ - 5x = 3.8 | \div ( - 5) \\ x = \frac{38}{10} \times ( - \frac{1}{5} ) \\ x = \frac{19}{5} \times ( - \frac{1}{5} ) \\ x = - \frac{19}{25} [/tex]
