Question: What is the solution?

Solve -6 = -s - s for s.

Answer: 3

Question: What is the solution?

Solve -6*v + 0*v = -7*v for v.

Answer: 0

Question: What is the solution?

Solve -272*k = 63*k + 6365 for k.

Answer: -19

Question: What is the solution?

Solve -f - 2300 = -2297 for f.

Answer:
-3