Question: What is the solution?

Solve 0 = 16*v + 67791759 - 67791903 for v.

Answer: 9

Question: What is the solution?

Solve 12*u = 6*u + 18 for u.

Answer: 3

Question: What is the solution?

Solve 2609 = 80*v + 65*v + 3663 + 3876 for v.

Answer: -34

Question: What is the solution?

Solve 8549 + 26573 = 950*i - 18869 - 15359 for i.

Answer:
73