Question: What is the solution?

Solve 47*b + 565 - 189 = 0 for b.

Answer: -8

Question: What is the solution?

Solve 40503 = 998*t - 3409 for t.

Answer: 44

Question: What is the solution?

Solve 0 = 489*n + 523*n - 17204 for n.

Answer: 17

Question: What is the solution?

Solve -130*o + 2604 = 88*o + 650*o for o.

Answer:
3