Question: What is the solution?

Solve -155*d - 3309 - 876 = 0 for d.

Answer: -27

Question: What is the solution?

Solve 91*h - 7014 = -9926 for h.

Answer: -32

Question: What is the solution?

Solve -31*q + 43*q + 195*q = 1035 for q.

Answer: 5

Question: What is the solution?

Solve -10*u - 37 = -7 for u.

Answer:
-3