Q: Solve:
Solve -20879*u = -20869*u - 50 for u.

A: 5

Q: Solve:
Solve -13732 = -2646*i - 64006 for i.

A: -19

Q: Solve:
Solve 65*j + 5460 - 13546 - 6855 = -158*j for j.

A:
67