solve the following equation
Solve: (3x + 1) / (3x + 2) = (x + 2) / (x - 5)
(3x + 1)(x - 5) = (x + 2)(3x + 2) (cross multiply)
3x2 + x - 15x - 5 = 3x2 + 6x + 2x + 4 (multiply out)
-14x - 5 = 8x + 4 (simplify)
-22x = 9
x = -9/22
