Q: Solve:
Solve 819 = -4575*i + 2260*i + 2276*i for i.

A: -21

Q: Solve:
Solve -199173 = -3867*a - 94314 + 887 + 257752 for a.

A: 94

Q: Solve:
Solve 185*u = -25*u - 3082 + 9382 for u.

A:
30