Task: Question Understanding
Input (English): Suppose -2*y - 131 = -7*y - 3*n, 2*y - 2*n = 46. Suppose -5*k - 2*a = 3, 7*k - 2*k - 5*a - y = 0. Solve -3*g + 2*z = -2, -4*g = -z + k - 2 for g.
Output (English): algebra