QUESTION: Math problem: Solve 823*u + 930*u - 287*u - 78312 = -542*u for u.
ANS: 39
QUESTION: Math problem: Solve -38*j + 8*j + 90 = 0 for j.
ANS: 3
QUESTION: Math problem: Solve 0 = -6*b + 4*b - 3*b for b.
ANS: 0
QUESTION: Math problem: Solve -3*u + 156*u + 306 = 0 for u.
ANS:
-2