QUESTION: Math problem: Solve 0 = -7*l + 1586 - 1558 for l.
ANS: 4
QUESTION: Math problem: Solve -27054*f = -27161*f - 1926 for f.
ANS: -18
QUESTION: Math problem: Solve -58 = 2*c + 33*c + 23*c for c.
ANS: -1
QUESTION: Math problem: Solve 0 = -4*b + 24 - 40 for b.
ANS:
-4