Question: What is the solution?

Solve 0 = -491*w + 3918 + 501 for w.

Answer: 9

Question: What is the solution?

Solve -17*h + 2828301 = 2827536 for h.

Answer: 45

Question: What is the solution?

Solve -19 = 60*s - 3*s - 19 for s.

Answer: 0

Question: What is the solution?

Solve -171*x = -177*x - 6 for x.

Answer:
-1