Q: Solve:
Solve 738*y + 836 = 529*y for y.

A: -4

Q: Solve:
Solve 16009 = -133*u + 17073 for u.

A: 8

Q: Solve:
Solve 799*r - 19644 + 46540 = 132*r - 23129 for r.

A:
-75