Question: What is the solution?

Solve -879 + 356 - 365 = 111*v for v.

Answer: -8

Question: What is the solution?

Solve -8*c - 39 = -7 for c.

Answer: -4

Question: What is the solution?

Solve 498*i + 489 + 1685 - 8603 = 7017 for i.

Answer: 27

Question: What is the solution?

Solve 76*u - 4172 = -1588 for u.

Answer:
34