Task: Question Understanding
Input (English): Let d = -54 + 80. Suppose 4*q - d = 2*i, 6 = 5*q + 3*i - 10. Let c be 4/(-10) - (-27)/q. Solve -c*x = -3*g + 8*g - 15, -3*x = 2*g - 7 for x.
Output (English): algebra