Question: What is the solution?

Solve -111 - 42 - 47 = 25*t for t.

Answer: -8

Question: What is the solution?

Solve 0 = -20*q + 496 - 436 for q.

Answer: 3

Question: What is the solution?

Solve 791*i - 806*i = 120 for i.

Answer: -8

Question: What is the solution?

Solve 1406*a = 339*a - 1855 - 3480 for a.

Answer:
-5