QUESTION: Math problem: Solve -2218 = 1404*u - 11032 - 17619 - 1647 for u.
ANS: 20
QUESTION: Math problem: Solve -60*d = -57*d + 21 for d.
ANS: -7
QUESTION: Math problem: Solve 400*x - 6059 + 2859 = 0 for x.
ANS: 8
QUESTION: Math problem: Solve -50*w - 64 = -314 for w.
ANS:
5