Q: What is the solution?
Solve -5*v - 12 = -9*v for v.

A: 3

Q: What is the solution?
Solve 11*a = -9*a + 16*a + 44 for a.

A: 11

Q: What is the solution?
Solve 45*n = -38 - 187 for n.

A:
-5