QUESTION: Math problem: Solve 156*o - 374 = 134*o for o.
ANS: 17
QUESTION: Math problem: Solve -11*f - 8*f = 0 for f.
ANS: 0
QUESTION: Math problem: Solve -8208*u + 270 + 240 = -8178*u for u.
ANS: 17
QUESTION: Math problem: Solve 33*r - 16 = -24*r + 61*r for r.
ANS:
-4