QUESTION: Math problem: Solve -531 = -130*u - 11 for u.
ANS: 4
QUESTION: Math problem: Solve -233*c - 16992 = 239*c for c.
ANS: -36
QUESTION: Math problem: Solve -6*v = 4*v - 10 for v.
ANS: 1
QUESTION: Math problem: Solve -26 + 36 = -2*v for v.
ANS:
-5