Q: What is the solution?
Solve 219 = 30*q - 51 for q.

A: 9

Q: What is the solution?
Solve 40*b - 2889 + 1391 = -39*b - 1103 for b.

A: 5

Q: What is the solution?
Solve 2747 = -274*n + 49 - 42 for n.

A:
-10