Question: What is the solution?

Solve 2661*a + 814*a = 111200 for a.

Answer: 32

Question: What is the solution?

Solve -869 = 336*p + 251*p - 666*p for p.

Answer: 11

Question: What is the solution?

Solve 12 = 6*q + 6 for q.

Answer: 1

Question: What is the solution?

Solve -353 = 56*q - 416 - 164 - 781 for q.

Answer:
18