Q: What is the solution?
Solve -3423*v - 208979 - 40900 = 0 for v.

A: -73

Q: What is the solution?
Solve -103*s = -115*s - 12 for s.

A: -1

Q: What is the solution?
Solve 152*a = 506*a + 3566 + 5284 for a.

A:
-25