QUESTION: Math problem: Solve 4 = -2*u + 4*u for u.
ANS: 2
QUESTION: Math problem: Solve -5920*d + 38815 = 169055 for d.
ANS: -22
QUESTION: Math problem: Solve 40*g = -21*g - 549 for g.
ANS: -9
QUESTION: Math problem: Solve -2*k - 12 + 14 = 0 for k.
ANS:
1