Solve 0 = -7*k - 4*k + 55 for k.
Solve this plz.

A: 5

Solve 75*n + 173 = 441 - 193 for n.
Solve this plz.

A: 1

Solve -7*t - 12 = -10*t for t.
Solve this plz.

A:
4