Question: What is the solution?

Solve 1425*i - 1390*i = 0 for i.

Answer: 0

Question: What is the solution?

Solve -2382 = 1259*r - 45382 - 28763 for r.

Answer: 57

Question: What is the solution?

Solve 1519*a = 1518*a + 5 for a.

Answer: 5

Question: What is the solution?

Solve 59*t - 51 = 42*t for t.

Answer:
3