Q: What is the solution?
Solve 20*w = 11*w - 27 for w.

A: -3

Q: What is the solution?
Solve 98*u - 169 = -111*u + 196*u for u.

A: 13

Q: What is the solution?
Solve 13152 = -755*s - 341*s for s.

A:
-12