[tex]5x - \frac{1}{2} =2 \\ 10x - 1 = 4 \\ 10x = 4 + 1 \\ 10x = 5 \\ x = \frac{5}{10} = \frac{1}{2} [/tex]
[tex] \frac{1}{3} (32 - 4x) = 2 \frac{2}{3} \\ \frac{1}{3} (32 - 4x) = \frac{8}{3} \\ 32 - 4x = 8 \\ 32 - 8 = 4x \\ 4x = 24 \\ x = 6[/tex]
[tex] - \frac{5}{4} (3 - 2x) = 2 \frac{1}{2} \\ - \frac{5}{4} (3 - 2x) = \frac{5}{2} \\ - 5(3 - 2x) = 10 \\ 3 - 2x = - 2 \\ 3 + 2 = 2x \\ 2x = 5 \\ x = \frac{5}{2} [/tex]
