Solve 158*c = 125*c - 264 for c.
Solve this plz.

A: -8

Solve 8 = -4*u + 8 + 16 for u.
Solve this plz.

A: 4

Solve -61*s = -6*s + 15*s + 5740 for s.
Solve this plz.

A:
-82