Solve 806 - 3409 - 177 = 695*w for w.
Solve this plz.

A: -4

Solve -45*c - 31*c = 152 for c.
Solve this plz.

A: -2

Solve 5*z - 28 + 3 = 0 for z.
Solve this plz.

A:
5