Q: What is the solution?
Solve -2097 = 409*v + 94*v + 1819 - 395 for v.

A: -7

Q: What is the solution?
Solve -1043*i + 377 = -1014*i for i.

A: 13

Q: What is the solution?
Solve 7*u + 13*u + 45 = 5*u for u.

A:
-3