Question: What is the solution?

Solve 51 - 11 = -4*a for a.

Answer: -10

Question: What is the solution?

Solve -12*h = -10*h - 4 for h.

Answer: 2

Question: What is the solution?

Solve 8 - 12 = -2*m for m.

Answer: 2

Question: What is the solution?

Solve 422*s + 3384 + 6322 = 0 for s.

Answer:
-23