Solve 2585*c + 272938 = -3678*c - 234365 for c.
Solve this plz.

A: -81

Solve -108*t + 28 = -104*t for t.
Solve this plz.

A: 7

Solve -309*u + 313*u = -8 for u.
Solve this plz.

A:
-2