Question: What is the solution?

Solve -22*f - 647 = -229 for f.

Answer: -19

Question: What is the solution?

Solve -6*b - 178 = -196 for b.

Answer: 3

Question: What is the solution?

Solve 0 = -k - 248 + 240 for k.

Answer: -8

Question: What is the solution?

Solve -182 = 31*d + 159 for d.

Answer:
-11