Solve 13891 + 4698 = -641*u for u.
Solve this plz.

A: -29

Solve 0 = 1641*h - 3300*h + 59724 for h.
Solve this plz.

A: 36

Solve 0 = 98*o - 79*o - 38 for o.
Solve this plz.

A:
2