Task: Question Understanding
Input (English): Let w = 0 - -1. Suppose 90 = 5*q + 5*n, -2*q - 4*n + 0*n = -30. Suppose 4*c = 3*h - 2*h + 9, 5*h + 2*c - q = 0. Solve -w - h = -4*g - z, 4*g - 4 = -4*z for g.
Output (English): algebra