[tex]8 - \frac{x + 3}{2} = 5 + \frac{3x + 1}{4} | \times 8 \\ 64 - 4x - 12 = 40 + 6x + 2 \\ - 10x = 42 - 64 + 12 \\ - 10x = - 10 \\ x = 1[/tex]
