Solve -42*r + 119823 - 120369 = 0 for r.
Solve this plz.

A: -13

Solve -9*h = -3*h - 219 - 3 for h.
Solve this plz.

A: 37

Solve 47574*h = 47653*h - 8216 for h.
Solve this plz.

A:
104