Question: What is the solution?

Solve -11*r - 16 + 104 = 0 for r.

Answer: 8

Question: What is the solution?

Solve 19 - 17 = q for q.

Answer: 2

Question: What is the solution?

Solve 5*b - 20 = 9*b for b.

Answer: -5

Question: What is the solution?

Solve -62*s = -82*s - 119*s + 278 for s.

Answer:
2