Q: Solve:
Solve 653*d - 136*d + 269*d - 14934 = 0 for d.

A: 19

Q: Solve:
Solve 729*c + 9738 = -1197 for c.

A: -15

Q: Solve:
Solve 297*u + 15390 = -193*u + 148*u for u.

A:
-45