QUESTION: Math problem: Solve -c = 5*c for c.
ANS: 0
QUESTION: Math problem: Solve -140*f + 327*f - 156*f + 651 = 0 for f.
ANS: -21
QUESTION: Math problem: Solve 518*q - 427*q - 951 = 869 for q.
ANS: 20
QUESTION: Math problem: Solve -34*q - 18 = -25*q for q.
ANS:
-2