QUESTION: Math problem: Solve 29*c - 31*c - 123 = 121*c for c.
ANS: -1
QUESTION: Math problem: Solve b + 19*b = -101*b + 121 for b.
ANS: 1
QUESTION: Math problem: Solve 10*s = -21*s + 93 for s.
ANS: 3
QUESTION: Math problem: Solve 3508 - 3648 = -20*w for w.
ANS:
7