Let $$x$$ be a real number such that:
$$4(x - 2) + 3(x + 5) = 2(3x - 1) + k$$
Where $$k$$ is a constant. Solve for $$x$$ in terms of $$k$$ and determine the relationship between:
Quantity A: The value of $$x$$ when $$k = 14$$
Quantity B: The value of $$x$$ when $$k = -10$$