Question: What is the solution?

Solve 0 = -3*h - 2*h - 15 for h.

Answer: -3

Question: What is the solution?

Solve 735*f - 1080*f - 873*f = -36856 - 14300 for f.

Answer: 42

Question: What is the solution?

Solve 16180 = 189*j + 20527 for j.

Answer: -23

Question: What is the solution?

Solve 148*l + 529*l = 177*l - 201*l + 6309 for l.

Answer:
9