QUESTION: Math problem: Solve 9 = -24*u + 9 for u.
ANS: 0
QUESTION: Math problem: Solve -18*s + 14*s - 4 = 0 for s.
ANS: -1
QUESTION: Math problem: Solve -770*s - 808*s - 1009*s - 11*s + 12990 = 0 for s.
ANS: 5
QUESTION: Math problem: Solve -1410*d = 793*d + 203*d + 73*d + 24790 for d.
ANS:
-10