Solve 6*n + 9*n + 2204 - 2099 = 0 for n.
Solve this plz.

A: -7

Solve 175*r - 11818 = -14443 for r.
Solve this plz.

A: -15

Solve -26875 - 13548 + 10477 = -1302*t for t.
Solve this plz.

A:
23