Question: What is the solution?

Solve 364*b = -347*b + 757*b - 1380 for b.

Answer: 30

Question: What is the solution?

Solve 0 = 13*k + 7724 - 7763 for k.

Answer: 3

Question: What is the solution?

Solve 301*i - 224*i = 506 + 33 for i.

Answer: 7

Question: What is the solution?

Solve 51*k + 14215 - 17020 = 0 for k.

Answer:
55