QUESTION: Math problem: Solve 0 = 45*r - 22*r - 23 for r.
ANS: 1
QUESTION: Math problem: Solve -3*u = 14*u + 20*u + 1443 for u.
ANS: -39
QUESTION: Math problem: Solve -4*b - 2481 + 2405 = -23*b for b.
ANS: 4
QUESTION: Math problem: Solve -3*w = 18 - 24 for w.
ANS:
2