Solve -733 - 4195 = 77*t for t.
Solve this plz.

A: -64

Solve 0 = -61*k + 3770 - 2550 for k.
Solve this plz.

A: 20

Solve 204*v + 22850 = -710*v for v.
Solve this plz.

A:
-25