Question 36
Suppose $abc \neq 0$. Express in terms of $a$, $b$, and $c$, the solutions $x$, $y$, $z$, $u$, $v$, $w$ of the equations
$$
x + y = a, \quad z + u = b, \quad v + w = c, \quad ay = bz, \quad bu = cv, \quad cw = ax.
$$
$$
x + y = a, \quad z + u = b, \quad v + w = c, \quad ay = bz, \quad bu = cv, \quad cw = ax.
$$