Q: What is the solution?
Solve -14891*a + 766 = -14770*a - 928 for a.

A: 14

Q: What is the solution?
Solve -99*f + 78 = -105*f for f.

A: -13

Q: What is the solution?
Solve -110*w = 185*w - 4875 + 155 for w.

A:
16