Please help not sure what to do

[tex] \frac{1}{2} + 4(x + 3) = 3 - x \\ \\ \frac{1}{2} + 4x + 12 = 3 - x \\ \\ 4x + x = 3 - 12 - \frac{1}{2} \\ \\ 5x = \frac{6 - 24 - 1}{2} \\ \\ 5x = \frac{ - 19}{2 } \\ \\ x = \frac{ - 19}{2 \times 5} \\ \\ x = \frac{ - 19}{10} \\ \\ [/tex]