QUESTION: Math problem: Solve 881 - 869 = 3*u + u for u.
ANS: 3
QUESTION: Math problem: Solve -794*b - 190*b = 3119*b + 110781 for b.
ANS: -27
QUESTION: Math problem: Solve 0 = -33*b - 1283 + 1547 for b.
ANS: 8
QUESTION: Math problem: Solve 5*a = 18 - 33 for a.
ANS:
-3