Solve -171*c - 209*c + 15189 = -131*c for c.
Solve this plz.

A: 61

Solve 4001*a + 7727 + 24109 = -547*a for a.
Solve this plz.

A: -7

Solve 22*z - 55*z + 144 = -24*z for z.
Solve this plz.

A:
16