Q: Solve -388 = -81*f + 17 for f.

A: 5

Q: Solve 434626 = -120*t + 434266 for t.

A: -3

Q: Solve -18427582*r + 9112 = -18427314*r for r.

A: 34

Q: Solve -2005*w + 2001*w = 32 for w.

A:
-8