Solve 0 = 26*v - 77 + 259 for v.
Solve this plz.

A: -7

Solve 25 = 831*i - 836*i for i.
Solve this plz.

A: -5

Solve -294*u + 706*u + 1717 = 311*u for u.
Solve this plz.

A:
-17