QUESTION: Math problem: Solve 136*q = 160*q + 120 for q.
ANS: -5
QUESTION: Math problem: Solve 2450*l = 2480*l for l.
ANS: 0
QUESTION: Math problem: Solve -4*m = -9*m for m.
ANS: 0
QUESTION: Math problem: Solve 3610 = 62*r + 23*r + 10*r for r.
ANS:
38