Task: Question Understanding
Input (English): Let p be (-1 + -3)*2/(-4). Let j(o) = -o**3 + 3*o**2 - 3*o. Let x be j(p). Let a(t) = -2*t**3 - 2*t**2 + t. Let z be a(x). Solve -18 + z = -3*c for c.
Output (English): algebra