[tex]5xy + 3x = 4y - 8x + 3 \\ 3x + 8x - 3 = 4y - 5xy \\ 11x - 3 = y(4 - 5x) \\ \frac{11x - 3}{4 - 5x} = y \\ y = \frac{11x - 3}{4 - 5x} [/tex]
Move everything containing y to one side, then factor y out. Divide the other side with the rest.
