Q: What is the solution?
Solve 6271 + 4474 + 1865 = 390*j - 1040 for j.

A: 35

Q: What is the solution?
Solve 646*y + 1386 = 844*y for y.

A: 7

Q: What is the solution?
Solve 1667*z - 11429 - 12249 + 8281 - 11275 = 0 for z.

A:
16