Question: What is the solution?

Solve -125*g = 18*g + 143 for g.

Answer: -1

Question: What is the solution?

Solve -15*q + 130*q = -46*q - 317*q - 51624 for q.

Answer: -108

Question: What is the solution?

Solve 15 = 38*q - 23 for q.

Answer: 1

Question: What is the solution?

Solve 45 + 4500 = -101*v for v.

Answer:
-45