QUESTION: Math problem: Solve -35*c + 20*c = 0 for c.
ANS: 0
QUESTION: Math problem: Solve 24*r = -124 + 196 for r.
ANS: 3
QUESTION: Math problem: Solve -10037*r - 132306 = 131107 - 54164 + 142046 for r.
ANS: -35
QUESTION: Math problem: Solve -14 + 14 - 48 = -16*r for r.
ANS:
3