Problem: Math Problem
Solve 5473*b + 447*b + 233541 + 19881 = 1474*b for b.

A: -57

Problem: Math Problem
Solve 100148*h + 306 = 100139*h for h.

A: -34

Problem: Math Problem
Solve -21*u + u + 20 = 0 for u.

A:
1