Q: Solve:
Solve 65323*c + 65374*c + 4576 = 130653*c for c.

A: -104

Q: Solve:
Solve 68*a = 13*a - 220 for a.

A: -4

Q: Solve:
Solve 17519 = -870*u - 751 for u.

A:
-21