QUESTION: Math problem: Solve -505*r - 36 = -508*r for r.
ANS: 12
QUESTION: Math problem: Solve -2425 = 3*o - 2365 for o.
ANS: -20
QUESTION: Math problem: Solve 0 = -4*r - 4 + 4 for r.
ANS: 0
QUESTION: Math problem: Solve 17403 - 2791 = -222*f - 1594 for f.
ANS:
-73