Q: Solve 782*v = 517*v + 7155 for v.

A: 27

Q: Solve 54*f = 31*f + 2 - 2 for f.

A: 0

Q: Solve 1598 + 442 = -120*c for c.

A: -17

Q: Solve n + 12 = -n for n.

A:
-6