Question: What is the solution?

Solve -43*c + 2 = -42*c for c.

Answer: 2

Question: What is the solution?

Solve 64*d - 49*d = -45 for d.

Answer: -3

Question: What is the solution?

Solve 9 = 6*q - 9 for q.

Answer: 3

Question: What is the solution?

Solve 2124 = -1632*s + 353*s - 184*s - 37377 for s.

Answer:
-27