Step-by-step explanation:
[tex] \frac{8}{3 - 4x} = \frac{5}{2x + .25} \\ 8(2x + .25) = 5(3 - 4x) \\ 16x + 2 = 15 - 20x \\ 16x + 20x = 15 - 2 \\ 36x = 13 \\ x = \frac{13}{36} [/tex]