Question: What is the solution?

Solve 4579 = 15*d + 110*d + 116*d for d.

Answer: 19

Question: What is the solution?

Solve -89959*u + 12669 = -89650*u for u.

Answer: 41

Question: What is the solution?

Solve 8693 = 81*g + 5939 for g.

Answer: 34

Question: What is the solution?

Solve -493*i + 10112 + 2213 = 0 for i.

Answer:
25