Question: What is the solution?

Solve 0 = -0*x - 6*x - 12 for x.

Answer: -2

Question: What is the solution?

Solve 29*f - 30*f = 0 for f.

Answer: 0

Question: What is the solution?

Solve -1349*s = -84410 + 2121 for s.

Answer: 61

Question: What is the solution?

Solve -255*q = -2959 - 2396 for q.

Answer:
21