QUESTION: Math problem: Solve 0 = -202*r + 590*r - 4268 for r.
ANS: 11
QUESTION: Math problem: Solve 10*r + 23 = -27 for r.
ANS: -5
QUESTION: Math problem: Solve 40*l + 1003*l - 58194 = 316*l - 371*l for l.
ANS: 53
QUESTION: Math problem: Solve -64*s - 606 - 738 = 0 for s.
ANS:
-21