Question: What is the solution?

Solve 0 = -2568*q - 18907 - 18940 - 64873 for q.

Answer: -40

Question: What is the solution?

Solve 7*x = -2 + 30 for x.

Answer: 4

Question: What is the solution?

Solve 108*f + 1329 = 34*f - 2095 + 760 for f.

Answer: -36

Question: What is the solution?

Solve 462*d - 7840 = -132*d - 365*d + 3668 for d.

Answer:
12