Question: What is the solution?

Solve -79732*y - 3446 = -79585*y + 2581 for y.

Answer: -41

Question: What is the solution?

Solve 81*f = 78 + 570 for f.

Answer: 8

Question: What is the solution?

Solve 227*n + 307*n + 4905 = -11*n for n.

Answer: -9

Question: What is the solution?

Solve -393*a - 155*a - 2404 = -286*a + 339*a for a.

Answer:
-4