QUESTION: Math problem: Solve -223 = -31*u + 84 + 530 for u.
ANS: 27
QUESTION: Math problem: Solve 89*l + 8988 = -130*l - 102*l for l.
ANS: -28
QUESTION: Math problem: Solve 222299*q = 222319*q + 1320 for q.
ANS: -66
QUESTION: Math problem: Solve -45 = -47*b + 375 + 708 for b.
ANS:
24