Question: What is the solution?

Solve 5*i + 9678 = 19321 - 9748 for i.

Answer: -21

Question: What is the solution?

Solve -1629*h = 69*h + 12487 + 4493 for h.

Answer: -10

Question: What is the solution?

Solve 19759*b - 30 = 19757*b for b.

Answer: 15

Question: What is the solution?

Solve 66161*i = 66154*i + 7 for i.

Answer:
1