Q: What is the solution?
Solve 99 = -201*y - 603*y + 248*y - 1569 for y.

A: -3

Q: What is the solution?
Solve -521*n - 383 + 904 = 0 for n.

A: 1

Q: What is the solution?
Solve -69*b + 3144 = -331*b for b.

A:
-12