Question: What is the solution?

Solve 859*s + 81 = 868*s for s.

Answer: 9

Question: What is the solution?

Solve -3435 + 2731 = -352*x for x.

Answer: 2

Question: What is the solution?

Solve 31850 = -10585*c - 10490 for c.

Answer: -4

Question: What is the solution?

Solve -208 - 26 = -39*q for q.

Answer:
6