Solve 0 = r - 126 + 122 for r.
Solve this plz.

A: 4

Solve -43*p + 30 - 73 = 0 for p.
Solve this plz.

A: -1

Solve -17034*n + 1555*n - 533644 + 2313729 = 0 for n.
Solve this plz.

A:
115