QUESTION: Math problem: Solve 507981 = -22*b + 4*b + 508611 for b.
ANS: 35
QUESTION: Math problem: Solve 14*f - 240 = -21*f + 15*f for f.
ANS: 12
QUESTION: Math problem: Solve 360083 = 17586*l + 2276957 for l.
ANS: -109
QUESTION: Math problem: Solve 74*r = 100*r - 182 for r.
ANS:
7