Question: What is the solution?

Solve 426 + 304 = -73*l for l.

Answer: -10

Question: What is the solution?

Solve 165 - 117 = -8*c for c.

Answer: -6

Question: What is the solution?

Solve -10*z - 29 = 11 for z.

Answer: -4

Question: What is the solution?

Solve -686*f - 3161 = -715*f for f.

Answer:
109