QUESTION: Math problem: Solve 9*w - 15 = 4*w for w.
ANS: 3
QUESTION: Math problem: Solve 0 = 12*s + 99 - 123 for s.
ANS: 2
QUESTION: Math problem: Solve 5*t - 26 + 11 = 0 for t.
ANS: 3
QUESTION: Math problem: Solve -4267*r - 208 = -4241*r for r.
ANS:
-8