QUESTION: Math problem: Solve 3*w + 279*w + 4641 = 9*w for w.
ANS: -17
QUESTION: Math problem: Solve -97*u + 243*u = 0 for u.
ANS: 0
QUESTION: Math problem: Solve 117*j = 702 + 1657 - 253 for j.
ANS: 18
QUESTION: Math problem: Solve -5278 = -3*l - 5239 for l.
ANS:
13