Verified answer

[tex]7 \frac{2}{5} - x = - 6 \times ( - 2 \frac{5}{6} ) \\ 7 \frac{2}{5} - x = \frac{6 \times 17}{6} \\ 7 \frac{2}{5} - x = 17 \\ x = 7 \frac{2}{5} - 17 \\ x = 7 \frac{2}{5} - 16 \frac{5}{5} \\ x = - 9 \frac{3}{5} [/tex]