5x + 3 · (x - 4) = 4 · (x + 2) + 2 · (9 - 2x)
5x + 3x - 12 = 4x + 8 + 18 - 4x
5x + 3x - 4x + 4x = 8 + 18 + 12
8x = 38
[tex]x=\frac{38}{8}[/tex]
[tex]x= \frac{19}{4}[/tex]