Task: Question Answering
Input (English): Let b(x) = 4*x - 5. Let l(s) = 1. Let r(z) = b(z) + 6*l(z). Let n be r(1). Suppose 0 = -3*i + 2*w + 22, 2*w - 36 = -n*i + 5*w. Solve 0 = 2*f + i - 4 for f.
Output (English): -1