QUESTION: Math problem: Solve 0 = 21*o + 70 - 91 for o.
ANS: 1
QUESTION: Math problem: Solve 204 = -w + 210 for w.
ANS: 6
QUESTION: Math problem: Solve -2909*r = -2871*r - 722 for r.
ANS: 19
QUESTION: Math problem: Solve 6*b + 96882 - 96684 = 0 for b.
ANS:
-33