Task: Question Understanding
Input (English): Let b(l) = -l**2 + 5*l. Let d be b(4). Suppose 2*c - k - 8 = 0, 5 = -c - k + 6. Let h(q) = 2*q**2 - 2*q + 2. Let w be h(c). Solve w - d = -5*v for v.
Output (English): algebra