QUESTION: Math problem: Solve 0 = 31*y - 9*y for y.
ANS: 0
QUESTION: Math problem: Solve -237*p + 200 = -33*p - 208*p for p.
ANS: -50
QUESTION: Math problem: Solve 1102 + 492 = -115*s - 1396 for s.
ANS: -26
QUESTION: Math problem: Solve -6*r - 12*r - 72 = 0 for r.
ANS:
-4