QUESTION: Math problem: Solve -54 = 150355*r - 150352*r for r.
ANS: -18
QUESTION: Math problem: Solve 14556 + 5445 = -2601*u - 8610 for u.
ANS: -11
QUESTION: Math problem: Solve -340*s = -135*s + 12011 + 2749 for s.
ANS: -72
QUESTION: Math problem: Solve 184*c + 161*c - 462 = 312*c for c.
ANS:
14