Question: What is the solution?

Solve -8*y - 401 + 37 = -83*y + 47*y for y.

Answer: 13

Question: What is the solution?

Solve -216*n - 108 + 17 = -229*n for n.

Answer: 7

Question: What is the solution?

Solve 108 = 704*w - 692*w for w.

Answer: 9

Question: What is the solution?

Solve 8*k + 18 = 10 for k.

Answer:
-1