QUESTION: Math problem: Solve 0 = -12*r - 4729 + 4633 for r.
ANS: -8
QUESTION: Math problem: Solve -57*w - 73519 = -73063 for w.
ANS: -8
QUESTION: Math problem: Solve 198*z - 2511 + 5255 = -5634 + 656 for z.
ANS: -39
QUESTION: Math problem: Solve 4098*c - 4105*c - 385 = 0 for c.
ANS:
-55