Solve 9149 = 794*r - 24993 for r.
Solve this plz.

A: 43

Solve 8*n - 3*n = 52 - 37 for n.
Solve this plz.

A: 3

Solve 194*i - 35 - 547 = 0 for i.
Solve this plz.

A:
3