Question: What is the solution?

Solve 1391*k - 37670 = 34662 for k.

Answer: 52

Question: What is the solution?

Solve 726*z - 91 = 713*z for z.

Answer: 7

Question: What is the solution?

Solve 41*w - 291 = 75 + 208 for w.

Answer: 14

Question: What is the solution?

Solve -3101*s + 3084*s = -34 for s.

Answer:
2