Q: What is the solution?
Solve 22*d + 84 = -48 for d.

A: -6

Q: What is the solution?
Solve 9*o - 1330 = -1366 for o.

A: -4

Q: What is the solution?
Solve 661*n = 2010 + 12103 + 429 for n.

A:
22