Task: Question Answering
Input (English): Let x be ((-70)/(-8))/((-1)/(-8)). Suppose 2*n - 5*c - x = 0, 4*n + c = 2 + 94. Solve -2*d + 5*u = -3*d - 5, 5*u + n = 3*d for d.
Output (English): 5