Question about the use of the CAS solve function in a program

[ZDog2002]

Is there any way to have a program use the solve function found in the CAS mode of the Prime? (or any other CAS function for that matter)

if I create a simple program like this:

EXPORT solve_function_test(x, y)
BEGIN
LOCAL answer;
answer := solve(x^2 - 2 * y + n = 0.5 * n^3, n);
RETURN answer;
END;

It gives a syntax error around the variable n, which I would assume is just contained to the solve function. If I create n as a local variable, it doesn't give any errors but always returns 0.