Q: Solve 1881*n - 1780*n + 2323 = 0 for n.

A: -23

Q: Solve 382*r - 151848 + 39220 = 1271*r + 633*r for r.

A: -74

Q: Solve 35*x = 18 - 18 for x.

A: 0

Q: Solve 7*s - 21 = -56 for s.

A:
-5