Q: Solve:
Solve -14*s - 645 = -52*s + 1 for s.

A: 17

Q: Solve:
Solve -23*w - 157 = -5*w + 167 for w.

A: -18

Q: Solve:
Solve 53*f + 152*f + 7157 = 13102 for f.

A:
29