Q: What is the solution?
Solve -18*x + 5 - 23 = 0 for x.

A: -1

Q: What is the solution?
Solve 19*q - 4*q - 45 = 0 for q.

A: 3

Q: What is the solution?
Solve -16100 = -4728944*u + 4729105*u for u.

A:
-100