Q: Solve:
Solve 0 = 579*f + 3269 + 3100 for f.

A: -11

Q: Solve:
Solve 0 = -123*j - 1391 + 161 for j.

A: -10

Q: Solve:
Solve 1707*y + 28490 = 412*y for y.

A:
-22