Q: What is the solution?
Solve 12*a + 55*a = -134 for a.

A: -2

Q: What is the solution?
Solve -547*n + 560*n - 299 = 0 for n.

A: 23

Q: What is the solution?
Solve 5*n - 3*n - 6 = 0 for n.

A:
3