Question: What is the solution?

Solve 497*q + 398*q = 246*q + 13629 for q.

Answer: 21

Question: What is the solution?

Solve 0 = 10*s - 15 + 55 for s.

Answer: -4

Question: What is the solution?

Solve -29*x + 70 = 41*x for x.

Answer: 1

Question: What is the solution?

Solve 24971 = -26*f + 24373 for f.

Answer:
-23