QUESTION: Math problem: Solve 6*y - 30 = -3*y + 33 for y.
ANS: 7
QUESTION: Math problem: Solve -658*u + 11870 + 26442 = -13670 for u.
ANS: 79
QUESTION: Math problem: Solve -51*d = -113 + 155 + 213 for d.
ANS: -5
QUESTION: Math problem: Solve -615*k + 353*k + 2096 = 0 for k.
ANS:
8