Solve 0 = -415*u - 802*u + 8983 + 10489 for u.
Solve this plz.

A: 16

Solve -2*a - 11*a = 15*a for a.
Solve this plz.

A: 0

Solve -20*v + 117 - 114 = -217 for v.
Solve this plz.

A:
11