Q: What is the solution?
Solve 0 = -2*b + 23*b + 21*b - 462 for b.

A: 11

Q: What is the solution?
Solve 359*n = 363*n - 16 for n.

A: 4

Q: What is the solution?
Solve 1064 = 48*s - 589 + 549 for s.

A:
23