Q: What is the solution?
Solve -31*w = -30*w + 5 for w.

A: -5

Q: What is the solution?
Solve -44725 = 708*f - 87913 for f.

A: 61

Q: What is the solution?
Solve -15*t - 14*t - 29 = 0 for t.

A:
-1