QUESTION: Math problem: Solve 2207*k + 2035*k = -309*k + 534*k + 64272 for k.
ANS: 16
QUESTION: Math problem: Solve 7*v = 323 - 344 for v.
ANS: -3
QUESTION: Math problem: Solve 39*b - 109*b - 402 - 455 = 473 for b.
ANS: -19
QUESTION: Math problem: Solve -39*u - 140 = -4*u - 25*u for u.
ANS:
-14