Q: What is the solution?
Solve 507*h - 3126 = 7521 for h.

A: 21

Q: What is the solution?
Solve 66*d + 780 = 120 for d.

A: -10

Q: What is the solution?
Solve 2404*w + 88881 - 2911 + 60674 = 0 for w.

A:
-61