QUESTION: Math problem: Solve 15 - 33 + 26 = 4*u for u.
ANS: 2
QUESTION: Math problem: Solve 24183 = 1131*k - 14575 + 3697 for k.
ANS: 31
QUESTION: Math problem: Solve 18122*c + 60 = 18127*c for c.
ANS: 12
QUESTION: Math problem: Solve 74*r - 36 + 220 = -408 for r.
ANS:
-8