Solve -167935 = 61*w - 160920 for w.
Solve this plz.

A: -115

Solve -u + 97*u - 265 - 407 = 0 for u.
Solve this plz.

A: 7

Solve 0 = -335*y + 86*y - 249 for y.
Solve this plz.

A:
-1