Question: What is the solution?

Solve 0 = 3*b + 99 - 54 for b.

Answer: -15

Question: What is the solution?

Solve 25*i - 36 = 7*i for i.

Answer: 2

Question: What is the solution?

Solve 821362*g = 822123*g + 70012 for g.

Answer: -92

Question: What is the solution?

Solve 4*u + 192 = 212 for u.

Answer:
5