Solve -s - 12 = -6*s + s for s.
Solve this plz.

A: 3

Solve 13*t + 16 = 17*t for t.
Solve this plz.

A: 4

Solve -145*f - 273*f - 14076 = 4316 for f.
Solve this plz.

A:
-44