Q: What is the solution?
Solve -3*h = -21*h + 75 - 255 for h.

A: -10

Q: What is the solution?
Solve 876*h - 2944 = -7572 - 6920 - 1592 for h.

A: -15

Q: What is the solution?
Solve 0 = 23*h - 24*h - 4 for h.

A:
-4