QUESTION: Math problem: Solve 15*v + 3*v + 72 = 0 for v.
ANS: -4
QUESTION: Math problem: Solve -72*b - 299 = 57*b - 106*b for b.
ANS: -13
QUESTION: Math problem: Solve -4*z + 4*z = 4*z for z.
ANS: 0
QUESTION: Math problem: Solve -60*f + 1509 = 1569 for f.
ANS:
-1