Q: Solve:
Solve 0 = -109*f + 27*f - 19*f + 1414 for f.

A: 14

Q: Solve:
Solve -2864 = -307*d + 4289 - 555 - 765 for d.

A: 19

Q: Solve:
Solve 0 = 1037*h + 1705*h - 103606 + 21346 for h.

A:
30