Question: What is the solution?

Solve -37*w + 1 = -6*w + 1 for w.

Answer: 0

Question: What is the solution?

Solve 23111*w + 1823 + 361 = 23020*w for w.

Answer: -24

Question: What is the solution?

Solve 4839 = -377*d + 15018 for d.

Answer: 27

Question: What is the solution?

Solve -876*u - 108*u + 21734 = -4486*u - 44804 for u.

Answer:
-19