Q: Solve 0 = 16*h + 39*h for h.

A: 0

Q: Solve 10*b = 21 + 103 - 14 for b.

A: 11

Q: Solve 4*p - 108 = -8*p for p.

A: 9

Q: Solve 116*r - 9918 = -376*r - 59*r for r.

A:
18