Question: What is the solution?

Solve -2 + 47 = 9*g for g.

Answer: 5

Question: What is the solution?

Solve 0*q - 45 = -15*q for q.

Answer: 3

Question: What is the solution?

Solve 445*d - 50 = 455*d for d.

Answer: -5

Question: What is the solution?

Solve 0 = 4204*i - 3964*i + 11760 for i.

Answer:
-49