Question: What is the solution?

Solve -22067 + 21963 = 10*f + 3*f for f.

Answer: -8

Question: What is the solution?

Solve 3191*h = -316*h - 45591 for h.

Answer: -13

Question: What is the solution?

Solve -10*a + 2 = -12*a for a.

Answer: -1

Question: What is the solution?

Solve 26 = -33*n + 20*n for n.

Answer:
-2