QUESTION: Math problem: Solve 407 = -70390*u + 70414*u + 1583 for u.
ANS: -49
QUESTION: Math problem: Solve -608 = 83*q - 851 + 1737 + 1494 for q.
ANS: -36
QUESTION: Math problem: Solve 238 = 57*k + 808 for k.
ANS: -10
QUESTION: Math problem: Solve 59*f + 62*f - 369 = -1942 for f.
ANS:
-13