Solution: Multiply both sides by 6 to eliminate denominators: $ 4(x + 4) = 5(x - 1) $. Expand: $ 4x + 16 = 5x - 5 $. Rearrange: $ 16 + 5 = 5x - 4x \Rightarrow x = 21 $. The solution is $ \boxed21 $. - Groen Casting