Solve -35*k - 1870 + 2255 = 0 for k.
Solve this plz.

A: 11

Solve 3183546*a + 6800 = 3183946*a for a.
Solve this plz.

A: 17

Solve -134*w - 371 = 567 for w.
Solve this plz.

A:
-7