Q: Solve:
Solve -336*h - 3955 = -501*h + 278*h for h.

A: -35

Q: Solve:
Solve -2781*h = 1831*h - 6268*h + 3338*h - 139606 for h.

A: 83

Q: Solve:
Solve -11 = -5*c + 14 for c.

A:
5