Question: What is the solution?

Solve 0 = -h - 6 + 10 for h.

Answer: 4

Question: What is the solution?

Solve -4 = 5*z - 6*z for z.

Answer: 4

Question: What is the solution?

Solve -374*f = -388*f + 14 for f.

Answer: 1

Question: What is the solution?

Solve -728*s + 8208 = -146*s - 162*s - 249*s for s.

Answer:
48