{(X-4)/2}-{(2x 5)/5}=-1

[tex] \frac{x - 4}{2} - \frac{10}{5} = - 1 \\ \frac{x - 4}{2} - 2 = - 1 \\ \frac{x - 4}{2} = - 1 + 2 \\ \frac{x - 4}{2} = 1 \\ x - 4 = 2 \\ x = 4 + 2 \\ x = 6[/tex]