Q: What is the solution?
Solve 16*u + 10 - 10 = 0 for u.

A: 0

Q: What is the solution?
Solve 5*w - 47 + 47 = 65 for w.

A: 13

Q: What is the solution?
Solve -1547 = 203*a + 686 for a.

A:
-11